12=7x-5-2x+2

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


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

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

Combine like terms: -5 + 2 = -3
12 = -3 + 7x + -2x

Combine like terms: 7x + -2x = 5x
12 = -3 + 5x

Solving
12 = -3 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
12 + -5x = -3 + 5x + -5x

Combine like terms: 5x + -5x = 0
12 + -5x = -3 + 0
12 + -5x = -3

Add '-12' to each side of the equation.
12 + -12 + -5x = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -5x = -3 + -12
-5x = -3 + -12

Combine like terms: -3 + -12 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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