7-x+5-4x=2x-12

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Solution for 7-x+5-4x=2x-12 equation:


Simplifying
7 + -1x + 5 + -4x = 2x + -12

Reorder the terms:
7 + 5 + -1x + -4x = 2x + -12

Combine like terms: 7 + 5 = 12
12 + -1x + -4x = 2x + -12

Combine like terms: -1x + -4x = -5x
12 + -5x = 2x + -12

Reorder the terms:
12 + -5x = -12 + 2x

Solving
12 + -5x = -12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + -5x + -2x = -12 + 2x + -2x

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

Combine like terms: 2x + -2x = 0
12 + -7x = -12 + 0
12 + -7x = -12

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

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

Combine like terms: -12 + -12 = -24
-7x = -24

Divide each side by '-7'.
x = 3.428571429

Simplifying
x = 3.428571429

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