12-x=5x+2x

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Solution for 12-x=5x+2x equation:


Simplifying
12 + -1x = 5x + 2x

Combine like terms: 5x + 2x = 7x
12 + -1x = 7x

Solving
12 + -1x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + -1x + -7x = 7x + -7x

Combine like terms: -1x + -7x = -8x
12 + -8x = 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -8x = 0

Add '-12' to each side of the equation.
12 + -12 + -8x = 0 + -12

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

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

Divide each side by '-8'.
x = 1.5

Simplifying
x = 1.5

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