3x+15=2(-x)

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Solution for 3x+15=2(-x) equation:


Simplifying
3x + 15 = 2(-1x)

Reorder the terms:
15 + 3x = 2(-1x)

Remove parenthesis around (-1x)
15 + 3x = 2 * -1x

Multiply 2 * -1
15 + 3x = -2x

Solving
15 + 3x = -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.
15 + 3x + 2x = -2x + 2x

Combine like terms: 3x + 2x = 5x
15 + 5x = -2x + 2x

Combine like terms: -2x + 2x = 0
15 + 5x = 0

Add '-15' to each side of the equation.
15 + -15 + 5x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = 0 + -15
5x = 0 + -15

Combine like terms: 0 + -15 = -15
5x = -15

Divide each side by '5'.
x = -3

Simplifying
x = -3

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