12-(x+7)=8x-4

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Solution for 12-(x+7)=8x-4 equation:


Simplifying
12 + -1(x + 7) = 8x + -4

Reorder the terms:
12 + -1(7 + x) = 8x + -4
12 + (7 * -1 + x * -1) = 8x + -4
12 + (-7 + -1x) = 8x + -4

Combine like terms: 12 + -7 = 5
5 + -1x = 8x + -4

Reorder the terms:
5 + -1x = -4 + 8x

Solving
5 + -1x = -4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
5 + -1x + -8x = -4 + 8x + -8x

Combine like terms: -1x + -8x = -9x
5 + -9x = -4 + 8x + -8x

Combine like terms: 8x + -8x = 0
5 + -9x = -4 + 0
5 + -9x = -4

Add '-5' to each side of the equation.
5 + -5 + -9x = -4 + -5

Combine like terms: 5 + -5 = 0
0 + -9x = -4 + -5
-9x = -4 + -5

Combine like terms: -4 + -5 = -9
-9x = -9

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

Simplifying
x = 1

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