8(x+9)-2x=-(7x-7)

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Solution for 8(x+9)-2x=-(7x-7) equation:


Simplifying
8(x + 9) + -2x = -1(7x + -7)

Reorder the terms:
8(9 + x) + -2x = -1(7x + -7)
(9 * 8 + x * 8) + -2x = -1(7x + -7)
(72 + 8x) + -2x = -1(7x + -7)

Combine like terms: 8x + -2x = 6x
72 + 6x = -1(7x + -7)

Reorder the terms:
72 + 6x = -1(-7 + 7x)
72 + 6x = (-7 * -1 + 7x * -1)
72 + 6x = (7 + -7x)

Solving
72 + 6x = 7 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
72 + 6x + 7x = 7 + -7x + 7x

Combine like terms: 6x + 7x = 13x
72 + 13x = 7 + -7x + 7x

Combine like terms: -7x + 7x = 0
72 + 13x = 7 + 0
72 + 13x = 7

Add '-72' to each side of the equation.
72 + -72 + 13x = 7 + -72

Combine like terms: 72 + -72 = 0
0 + 13x = 7 + -72
13x = 7 + -72

Combine like terms: 7 + -72 = -65
13x = -65

Divide each side by '13'.
x = -5

Simplifying
x = -5

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