8x-40=4x-12

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Solution for 8x-40=4x-12 equation:


Simplifying
8x + -40 = 4x + -12

Reorder the terms:
-40 + 8x = 4x + -12

Reorder the terms:
-40 + 8x = -12 + 4x

Solving
-40 + 8x = -12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-40 + 8x + -4x = -12 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
-40 + 4x = -12 + 0
-40 + 4x = -12

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

Combine like terms: -40 + 40 = 0
0 + 4x = -12 + 40
4x = -12 + 40

Combine like terms: -12 + 40 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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