x+18+2x=-12-2x-15

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Solution for x+18+2x=-12-2x-15 equation:


Simplifying
x + 18 + 2x = -12 + -2x + -15

Reorder the terms:
18 + x + 2x = -12 + -2x + -15

Combine like terms: x + 2x = 3x
18 + 3x = -12 + -2x + -15

Reorder the terms:
18 + 3x = -12 + -15 + -2x

Combine like terms: -12 + -15 = -27
18 + 3x = -27 + -2x

Solving
18 + 3x = -27 + -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.
18 + 3x + 2x = -27 + -2x + 2x

Combine like terms: 3x + 2x = 5x
18 + 5x = -27 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 5x = -27 + 0
18 + 5x = -27

Add '-18' to each side of the equation.
18 + -18 + 5x = -27 + -18

Combine like terms: 18 + -18 = 0
0 + 5x = -27 + -18
5x = -27 + -18

Combine like terms: -27 + -18 = -45
5x = -45

Divide each side by '5'.
x = -9

Simplifying
x = -9

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