3-x=8x+12

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Solution for 3-x=8x+12 equation:


Simplifying
3 + -1x = 8x + 12

Reorder the terms:
3 + -1x = 12 + 8x

Solving
3 + -1x = 12 + 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.
3 + -1x + -8x = 12 + 8x + -8x

Combine like terms: -1x + -8x = -9x
3 + -9x = 12 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -9x = 12 + 0
3 + -9x = 12

Add '-3' to each side of the equation.
3 + -3 + -9x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + -9x = 12 + -3
-9x = 12 + -3

Combine like terms: 12 + -3 = 9
-9x = 9

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

Simplifying
x = -1

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