5x+15=-1x-18

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Solution for 5x+15=-1x-18 equation:


Simplifying
5x + 15 = -1x + -18

Reorder the terms:
15 + 5x = -1x + -18

Reorder the terms:
15 + 5x = -18 + -1x

Solving
15 + 5x = -18 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
15 + 5x + x = -18 + -1x + x

Combine like terms: 5x + x = 6x
15 + 6x = -18 + -1x + x

Combine like terms: -1x + x = 0
15 + 6x = -18 + 0
15 + 6x = -18

Add '-15' to each side of the equation.
15 + -15 + 6x = -18 + -15

Combine like terms: 15 + -15 = 0
0 + 6x = -18 + -15
6x = -18 + -15

Combine like terms: -18 + -15 = -33
6x = -33

Divide each side by '6'.
x = -5.5

Simplifying
x = -5.5

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