9(x-9)-(x+54)=63-(x-63)

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Solution for 9(x-9)-(x+54)=63-(x-63) equation:


Simplifying
9(x + -9) + -1(x + 54) = 63 + -1(x + -63)

Reorder the terms:
9(-9 + x) + -1(x + 54) = 63 + -1(x + -63)
(-9 * 9 + x * 9) + -1(x + 54) = 63 + -1(x + -63)
(-81 + 9x) + -1(x + 54) = 63 + -1(x + -63)

Reorder the terms:
-81 + 9x + -1(54 + x) = 63 + -1(x + -63)
-81 + 9x + (54 * -1 + x * -1) = 63 + -1(x + -63)
-81 + 9x + (-54 + -1x) = 63 + -1(x + -63)

Reorder the terms:
-81 + -54 + 9x + -1x = 63 + -1(x + -63)

Combine like terms: -81 + -54 = -135
-135 + 9x + -1x = 63 + -1(x + -63)

Combine like terms: 9x + -1x = 8x
-135 + 8x = 63 + -1(x + -63)

Reorder the terms:
-135 + 8x = 63 + -1(-63 + x)
-135 + 8x = 63 + (-63 * -1 + x * -1)
-135 + 8x = 63 + (63 + -1x)

Combine like terms: 63 + 63 = 126
-135 + 8x = 126 + -1x

Solving
-135 + 8x = 126 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-135 + 8x + x = 126 + -1x + x

Combine like terms: 8x + x = 9x
-135 + 9x = 126 + -1x + x

Combine like terms: -1x + x = 0
-135 + 9x = 126 + 0
-135 + 9x = 126

Add '135' to each side of the equation.
-135 + 135 + 9x = 126 + 135

Combine like terms: -135 + 135 = 0
0 + 9x = 126 + 135
9x = 126 + 135

Combine like terms: 126 + 135 = 261
9x = 261

Divide each side by '9'.
x = 29

Simplifying
x = 29

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