2x+12=-78-7x

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Solution for 2x+12=-78-7x equation:


Simplifying
2x + 12 = -78 + -7x

Reorder the terms:
12 + 2x = -78 + -7x

Solving
12 + 2x = -78 + -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 + 2x + 7x = -78 + -7x + 7x

Combine like terms: 2x + 7x = 9x
12 + 9x = -78 + -7x + 7x

Combine like terms: -7x + 7x = 0
12 + 9x = -78 + 0
12 + 9x = -78

Add '-12' to each side of the equation.
12 + -12 + 9x = -78 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = -78 + -12
9x = -78 + -12

Combine like terms: -78 + -12 = -90
9x = -90

Divide each side by '9'.
x = -10

Simplifying
x = -10

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