4=8(x-1)-12

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Solution for 4=8(x-1)-12 equation:


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

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

Reorder the terms:
4 = -8 + -12 + 8x

Combine like terms: -8 + -12 = -20
4 = -20 + 8x

Solving
4 = -20 + 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.
4 + -8x = -20 + 8x + -8x

Combine like terms: 8x + -8x = 0
4 + -8x = -20 + 0
4 + -8x = -20

Add '-4' to each side of the equation.
4 + -4 + -8x = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -8x = -20 + -4
-8x = -20 + -4

Combine like terms: -20 + -4 = -24
-8x = -24

Divide each side by '-8'.
x = 3

Simplifying
x = 3

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