12=-2-7x

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Solution for 12=-2-7x equation:


Simplifying
12 = -2 + -7x

Solving
12 = -2 + -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 + 7x = -2 + -7x + 7x

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

Add '-12' to each side of the equation.
12 + -12 + 7x = -2 + -12

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

Combine like terms: -2 + -12 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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