15+2x=-3x

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


Simplifying
15 + 2x = -3x

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

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

Combine like terms: -3x + 3x = 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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