Without an equality sign it is not a straight line equation but if you mean 9y-12x-72 = 0 then y = 4/3x+8
-8 - 5y = 12 - 9y -8 + 4y = 12 4y = 20 y = 20/4 or 5
-8-5y = 12-9y 9y-5y - 12+8 4y = 20 y = 5
-9y + 8 = -91-9y = -91 -8-9y = -99y = -99-----9y = 11-99/-9 = 11 because -9X11 = -99
If you mean: 9y = 72 then y = 72/9 = 8
9y + 10 = - 8 subtract 10 from both sides 9y = -18 Divide by 9 on both sides y = -2
To answer the question you need to know what Y=.
if it is 3x + 9y, then 3(x+3y) or if it is a product...then it doesn't make sense, since then 3x9y=27xy
The solution to the system of equations x-9y=65 and 6y-8x=8 is (-7,-8).The easiest way to do substitution is to find the variable that can be isolated the easiest, that is, get either x or y alone. The easiest variable to get alone is the x in the first equation. All you need to do is add 9y to each side. Working through the substitution:The system of equations:x-9y=656y-8x=8Step 1: Get a variable alonex-9y=65x-9y+9y=65+9yx=9y+65Step 2: Substitute into the other equation6y-8x=86y-8(9y+65)=8 → Expand6y-72y-520=8 → Combine like terms-66y-520=8 → Add 520 to both sides-66y=8+520 → Simplify-66y=528 → Divide by -66 to find yy=-8Step 3: Substitute y=-8 into the first equationx=9y+65x=9(-8)+65x=-72+65x=-7The solution to the system of equations x-9y=65 and 6y-8x=8 is (-7,-8).
The use of the word 'or' means that the smallest positive integer is 6, as 6 ÷ 4 leaves a remainder of 2. If you mean the smallest positive integer what when divided by both 4 and 9 leaves a remainder of 2 then the answer is 38. 4x + 2 = M : 4x = M - 2 9y + 2 = M : 9y = M - 2 4x = 9y : x = 9y/4: x = 2.25y This means that for x to be an integer, y must = 4 or a multiple of 4. Thus, if y = 4 then 9y + 2 = 36 + 2 = 38 And, x = 9 If higher value integers were required then put y = 8,( or higher multiples of 4) Then 9y + 2 = 72 + 2 = 74 And, x = 18
One less than the product of 8 and 9
The question asks for a function of 'y', so we'll show 'x' as a function of 'y':Given: 8x - 9y = 2Add 9y to each side:8x = 2 + 9yDivide each side by 8:x = 2/8 + 9y/8orx = 1/8 (2 + 9y).==================================================If the questioner actually wants to see it in the more familiar form of [ y = a function of x ],we can massage the original equation around to show that as well.Given: 8x - 9y = 2Subtract 8x from each side:-9y = 2 - 8xMultiply each side by -1:9y = 8x - 2Divide each side by 9:y = 8x/9 - 2/9ory = 1/9 (8x - 2)
This statement is already nearly factored. The best we can do is pull out the 9 from each term:9x + 9y + 72 = 9(x + y + 8)
The slope is 0.
y = 16/33
If you mean 9 y3 then it's: 9x(2/3)3 = 9x(8/27) = 8/3 However if you mean (9y)3 then it's: (9x2/3)3 = 63 = 216
Father's age is 5 times his son's age. 4 years back the father was 9 times older than son. Find the fathers present age. a) 45 years b) 40 years c) 50 years d) 35years Cute , he's 40 & the kid is 8 Mathematic explanation: x = father's age y = son's age x = 5y x-4 = 9(y-4) x-4 = 9y-36 x = 9y-32 5y = x = 9y-32 5y = 9y-32 4y = 32 y = 8 x = 5y = 40
There is no single solution to that equation, as it does not represent a single value, but a relationship between the variables x and y. There are different things you can do with it though, depending on what the question relating to it would be. For example: Solve for x: 9y - x - 8 = 0 -x = -9y + 8 x = 9y + 8 Solve for y: 9y - x - 8 = 0 9y = x + 8 y = (x + 8) / 9 Find it's rate of change on the x axis with respect to it's rate of change on the y axis: dx/dy = 9 Find it's rate of change on the x axis with respect to it's rate of change on the y axis: dy/dx = 1/9 Find it's indefinite integral with respect to x: ∫((x + 8) / 9)dx = ∫(x/9 + 8/9)dx = x2/18 + 8x/9 + C Several more things, but if that doesn't cover what you're looking for, you'll need to be a little more specific in your question.
Suppose the number is n Then n = 16x + 2 for some non-negative integer x and n = 18y + 12 for some non-negative integer y. That gives 16x + 2 = 18y + 12 which can be simplified to 8x = 9y + 5 or x = (9y + 5)/8 Since x is an integer, 8 must go into 9y+5 evenly. That requires that 9y leaves a remainder of 3 when divided by 8. Since 9 and 8 are coprime, y = 3 So n = 18*3 + 12 54+12 = 66
The interval is, presumably, the range = 12.
8 multiplied by 4=8*4=8+8+8+8 (or 4+4+4+4+4+4+4+4)=16+8+8=24+8=32.
1. 6x - 5y = 22 2. 5x - 9y = -1 1 times 5: 30x - 25y = 110 2 times 6: 30x - 54y = -6 Subtract : 29y = 116, so y = 4 and x therefore = 7