9x-8(x-9)+7(y-9)=

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Solution for 9x-8(x-9)+7(y-9)= equation:


Simplifying
9x + -8(x + -9) + 7(y + -9) = 0

Reorder the terms:
9x + -8(-9 + x) + 7(y + -9) = 0
9x + (-9 * -8 + x * -8) + 7(y + -9) = 0
9x + (72 + -8x) + 7(y + -9) = 0

Reorder the terms:
9x + 72 + -8x + 7(-9 + y) = 0
9x + 72 + -8x + (-9 * 7 + y * 7) = 0
9x + 72 + -8x + (-63 + 7y) = 0

Reorder the terms:
72 + -63 + 9x + -8x + 7y = 0

Combine like terms: 72 + -63 = 9
9 + 9x + -8x + 7y = 0

Combine like terms: 9x + -8x = 1x
9 + 1x + 7y = 0

Solving
9 + 1x + 7y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + 1x + -9 + 7y = 0 + -9

Reorder the terms:
9 + -9 + 1x + 7y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1x + 7y = 0 + -9
1x + 7y = 0 + -9

Combine like terms: 0 + -9 = -9
1x + 7y = -9

Add '-7y' to each side of the equation.
1x + 7y + -7y = -9 + -7y

Combine like terms: 7y + -7y = 0
1x + 0 = -9 + -7y
1x = -9 + -7y

Divide each side by '1'.
x = -9 + -7y

Simplifying
x = -9 + -7y

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