9(x-7)=12x-(7-x)

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Solution for 9(x-7)=12x-(7-x) equation:


Simplifying
9(x + -7) = 12x + -1(7 + -1x)

Reorder the terms:
9(-7 + x) = 12x + -1(7 + -1x)
(-7 * 9 + x * 9) = 12x + -1(7 + -1x)
(-63 + 9x) = 12x + -1(7 + -1x)
-63 + 9x = 12x + (7 * -1 + -1x * -1)
-63 + 9x = 12x + (-7 + 1x)

Reorder the terms:
-63 + 9x = -7 + 12x + 1x

Combine like terms: 12x + 1x = 13x
-63 + 9x = -7 + 13x

Solving
-63 + 9x = -7 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-63 + 9x + -13x = -7 + 13x + -13x

Combine like terms: 9x + -13x = -4x
-63 + -4x = -7 + 13x + -13x

Combine like terms: 13x + -13x = 0
-63 + -4x = -7 + 0
-63 + -4x = -7

Add '63' to each side of the equation.
-63 + 63 + -4x = -7 + 63

Combine like terms: -63 + 63 = 0
0 + -4x = -7 + 63
-4x = -7 + 63

Combine like terms: -7 + 63 = 56
-4x = 56

Divide each side by '-4'.
x = -14

Simplifying
x = -14

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