3x-40=12+8x

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Solution for 3x-40=12+8x equation:


Simplifying
3x + -40 = 12 + 8x

Reorder the terms:
-40 + 3x = 12 + 8x

Solving
-40 + 3x = 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.
-40 + 3x + -8x = 12 + 8x + -8x

Combine like terms: 3x + -8x = -5x
-40 + -5x = 12 + 8x + -8x

Combine like terms: 8x + -8x = 0
-40 + -5x = 12 + 0
-40 + -5x = 12

Add '40' to each side of the equation.
-40 + 40 + -5x = 12 + 40

Combine like terms: -40 + 40 = 0
0 + -5x = 12 + 40
-5x = 12 + 40

Combine like terms: 12 + 40 = 52
-5x = 52

Divide each side by '-5'.
x = -10.4

Simplifying
x = -10.4

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