40-4x=-12x

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Solution for 40-4x=-12x equation:


Simplifying
40 + -4x = -12x

Solving
40 + -4x = -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
40 + -4x + 12x = -12x + 12x

Combine like terms: -4x + 12x = 8x
40 + 8x = -12x + 12x

Combine like terms: -12x + 12x = 0
40 + 8x = 0

Add '-40' to each side of the equation.
40 + -40 + 8x = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 8x = 0 + -40
8x = 0 + -40

Combine like terms: 0 + -40 = -40
8x = -40

Divide each side by '8'.
x = -5

Simplifying
x = -5

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