12=-3-2x

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Solution for 12=-3-2x equation: 


Simplifying
12 = -3 + -2x

Solving
12 = -3 + -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 = -3 + -2x + 2x

Combine like terms: -2x + 2x = 0
12 + 2x = -3 + 0
12 + 2x = -3

Add '-12' to each side of the equation.
12 + -12 + 2x = -3 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = -3 + -12
2x = -3 + -12

Combine like terms: -3 + -12 = -15
2x = -15

Divide each side by '2'.
x = -7.5

Simplifying
x = -7.5

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