3x+15=-8x-18

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Solution for 3x+15=-8x-18 equation:


Simplifying
3x + 15 = -8x + -18

Reorder the terms:
15 + 3x = -8x + -18

Reorder the terms:
15 + 3x = -18 + -8x

Solving
15 + 3x = -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.
15 + 3x + 8x = -18 + -8x + 8x

Combine like terms: 3x + 8x = 11x
15 + 11x = -18 + -8x + 8x

Combine like terms: -8x + 8x = 0
15 + 11x = -18 + 0
15 + 11x = -18

Add '-15' to each side of the equation.
15 + -15 + 11x = -18 + -15

Combine like terms: 15 + -15 = 0
0 + 11x = -18 + -15
11x = -18 + -15

Combine like terms: -18 + -15 = -33
11x = -33

Divide each side by '11'.
x = -3

Simplifying
x = -3

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