8x+7x=-12+3x

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Solution for 8x+7x=-12+3x equation: 


Simplifying
8x + 7x = -12 + 3x

Combine like terms: 8x + 7x = 15x
15x = -12 + 3x

Solving
15x = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15x + -3x = -12 + 3x + -3x

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

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

Divide each side by '12'.
x = -1

Simplifying
x = -1

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