x+18+3x=-13-3x-18

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Solution for x+18+3x=-13-3x-18 equation:


Simplifying
x + 18 + 3x = -13 + -3x + -18

Reorder the terms:
18 + x + 3x = -13 + -3x + -18

Combine like terms: x + 3x = 4x
18 + 4x = -13 + -3x + -18

Reorder the terms:
18 + 4x = -13 + -18 + -3x

Combine like terms: -13 + -18 = -31
18 + 4x = -31 + -3x

Solving
18 + 4x = -31 + -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.
18 + 4x + 3x = -31 + -3x + 3x

Combine like terms: 4x + 3x = 7x
18 + 7x = -31 + -3x + 3x

Combine like terms: -3x + 3x = 0
18 + 7x = -31 + 0
18 + 7x = -31

Add '-18' to each side of the equation.
18 + -18 + 7x = -31 + -18

Combine like terms: 18 + -18 = 0
0 + 7x = -31 + -18
7x = -31 + -18

Combine like terms: -31 + -18 = -49
7x = -49

Divide each side by '7'.
x = -7

Simplifying
x = -7

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