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

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


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

Combine like terms: 9 + -8 = 1
1 + 7x = -2x + -8

Reorder the terms:
1 + 7x = -8 + -2x

Solving
1 + 7x = -8 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
1 + 7x + 2x = -8 + -2x + 2x

Combine like terms: 7x + 2x = 9x
1 + 9x = -8 + -2x + 2x

Combine like terms: -2x + 2x = 0
1 + 9x = -8 + 0
1 + 9x = -8

Add '-1' to each side of the equation.
1 + -1 + 9x = -8 + -1

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

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

Divide each side by '9'.
x = -1

Simplifying
x = -1

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