7x+12=-8x-18

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Solution for 7x+12=-8x-18 equation:


Simplifying
7x + 12 = -8x + -18

Reorder the terms:
12 + 7x = -8x + -18

Reorder the terms:
12 + 7x = -18 + -8x

Solving
12 + 7x = -18 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
12 + 7x + 8x = -18 + -8x + 8x

Combine like terms: 7x + 8x = 15x
12 + 15x = -18 + -8x + 8x

Combine like terms: -8x + 8x = 0
12 + 15x = -18 + 0
12 + 15x = -18

Add '-12' to each side of the equation.
12 + -12 + 15x = -18 + -12

Combine like terms: 12 + -12 = 0
0 + 15x = -18 + -12
15x = -18 + -12

Combine like terms: -18 + -12 = -30
15x = -30

Divide each side by '15'.
x = -2

Simplifying
x = -2

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