12-3x+7x=-2(-5+6)

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Solution for 12-3x+7x=-2(-5+6) equation: 


Simplifying
12 + -3x + 7x = -2(-5 + 6)

Combine like terms: -3x + 7x = 4x
12 + 4x = -2(-5 + 6)

Combine like terms: -5 + 6 = 1
12 + 4x = -2(1)

Multiply -2 * 1
12 + 4x = -2

Solving
12 + 4x = -2

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = -2 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = -2 + -12
4x = -2 + -12

Combine like terms: -2 + -12 = -14
4x = -14

Divide each side by '4'.
x = -3.5

Simplifying
x = -3.5

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