the answer iis y because you don't write 1 in algebra next to a letter.
-9y + 8 = -91-9y = -91 -8-9y = -99y = -99-----9y = 11-99/-9 = 11 because -9X11 = -99
Oh, dude, that's like asking me to solve a math problem at a party. So, the expression "8 less than the product of y and 9" is just y times 9 minus 8. It's as simple as trying to find your friend's lost phone after a night out - a little annoying but not too complicated.
-8-5y = 12-9y 9y-5y - 12+8 4y = 20 y = 5
9y + 10 = - 8 subtract 10 from both sides 9y = -18 Divide by 9 on both sides y = -2
If you mean: 9y = 72 then y = 72/9 = 8
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).
-8 - 5y = 12 - 9y -8 + 4y = 12 4y = 20 y = 20/4 or 5
-9
Without an equality sign it is not a straight line equation but if you mean 9y-12x-72 = 0 then y = 4/3x+8
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
To answer the question you need to know what Y=.
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)