4x-40=12x

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Solution for 4x-40=12x equation:


Simplifying
4x + -40 = 12x

Reorder the terms:
-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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