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What does y equals 3x plus y and y equals x-9 equal?
y = 3x + y => x = 0then y = x - 9 => y = 0 - 9 = -9.
Evaluate x plus y for x 16 and y 14?
If you mean: x = 16 and y = 14 then x+y = 30
How do you Substitute x equals y plus 3 into x plus 2y equals 9?
x = y+3 x+2y = 9 => x = 9-2y y+3 = 9-2y 2y+y = 9-3 3y = 6 y = 2 and x = 5
X plus y equal to -1 and 4x minus 3y equal to 12 what is the answer?
x + y = -1 (a) 4x - 3y = 12 (b) 3(a)+(b) gives 3x + 3y + 4x - 3y = -3 + 12 or 7x = 9 or x = 9/7 then x + y = -1 gives y = -1 -x = -1 - 9/7 = -16/7 So, x = 9/7 and y = -16/7
5x plus y -1 y 6x plus 10?
11x+2y+9 is the final answer.
What is x squared plus 85xy plus 36y squared?
It is a quadratic expression in the variables x and y.
Is (10x 36y) (2x y) 12x 36y?
To simplify the expression ((10x \cdot 36y) \cdot (2x \cdot y)), you multiply the coefficients and the variables separately. This results in (20x^2 \cdot 36y^2) which simplifies to (720x^2y^2). The expression (12x \cdot 36y) simplifies to (432xy). Therefore, ((10x \cdot 36y) \cdot (2x \cdot y)) is not equal to (12x \cdot 36y).
How does 3x plus 9y equals 36 using the same method as 12x plus 4y equals 18?
We have 3x+9y=36, or equivalently 12x+36y=144. We also have 12x+4y=18, so subtracting these we have 32y=126 or y=63/16. Substituting this into our original equation leaves 3x=36-9*63/16 or x = 12-3*63/16 = 3/16. So: x=3/16, y=63/16
What does evaluate 16y plus 9 for y equals 3 mean?
Replace the y with a 3. 16 x 3 + 9 = 57
How do you find the percentage of numbers with variables?
Calculate the percentage for the numbers and then put the variables back in the answer.For example,20% of 36y = (20% of 36)*y = 7.2*yor25% of 36/y = (25% of 36)/y = 9/y.
What is the center of the circle given by the equation (x - 3)2 plus (y - 9)2 16?
If you mean: (x-3)^2 +(y-9)^2 = 16 then the center of the circle is at (3, 9)
9 plus y plus y?
y is an unknown. For now, let's just call y an apple. 9+ apple +apple would be a 9 and 2 apples, right? So 9 plus y plus y is 9+ 2y. Without knowing the value of y, that is as far as you can go.
What is the answer to y2 plus 8y plus 7?
If you mean y2+8y+7=0 then it is a quadratic. y2+8y+7+9-9=0 y2+8y+16-9=0 (y+4)2=9 y+4=3 , y+4=-3 y=-1 , y=-7 So y can equal -1 or -7.
What does 8y over y plus 2 plus 16 over y plus 2 equal?
8y/y + 2 + 16/y + 2 = 8 + 2 + 16/y +2 = 12 + 16/y = 4(3 + 4/y) or 4/y*(3y + 4)
The equation of tangent to curve y x 2 at 4 16 is 8x plus y plus 16 0 8x-y-16 0 8x-y plus 16 0 8x plus y-16 0 B is right answer how?
There is not a way to give the answer to this equation. You will have to give me the value of the letters.
3x plus y equals 5 and 4x-7y equals -10?
3x+y=5(4x-7y)=-10 3x+y=20x-35y=-10 -3x -3x y=17x-35y=-10 -y -y 17x-36y=-10 sorry but that's as far as i could get :(
How do you plot x plus y equals 9 x-y equals 7?
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