3-7x=-12+8x

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Solution for 3-7x=-12+8x equation:


Simplifying
3 + -7x = -12 + 8x

Solving
3 + -7x = -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 + -7x + -8x = -12 + 8x + -8x

Combine like terms: -7x + -8x = -15x
3 + -15x = -12 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -15x = -12 + 0
3 + -15x = -12

Add '-3' to each side of the equation.
3 + -3 + -15x = -12 + -3

Combine like terms: 3 + -3 = 0
0 + -15x = -12 + -3
-15x = -12 + -3

Combine like terms: -12 + -3 = -15
-15x = -15

Divide each side by '-15'.
x = 1

Simplifying
x = 1

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