4x+40=12x-16

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Solution for 4x+40=12x-16 equation:


Simplifying
4x + 40 = 12x + -16

Reorder the terms:
40 + 4x = 12x + -16

Reorder the terms:
40 + 4x = -16 + 12x

Solving
40 + 4x = -16 + 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 = -16 + 12x + -12x

Combine like terms: 4x + -12x = -8x
40 + -8x = -16 + 12x + -12x

Combine like terms: 12x + -12x = 0
40 + -8x = -16 + 0
40 + -8x = -16

Add '-40' to each side of the equation.
40 + -40 + -8x = -16 + -40

Combine like terms: 40 + -40 = 0
0 + -8x = -16 + -40
-8x = -16 + -40

Combine like terms: -16 + -40 = -56
-8x = -56

Divide each side by '-8'.
x = 7

Simplifying
x = 7

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