12=5x+2-7x

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


Simplifying
12 = 5x + 2 + -7x

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

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

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

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

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

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

Combine like terms: 2 + -12 = -10
2x = -10

Divide each side by '2'.
x = -5

Simplifying
x = -5

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