15+3x=-20-2x

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Solution for 15+3x=-20-2x equation:


Simplifying
15 + 3x = -20 + -2x

Solving
15 + 3x = -20 + -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 = -20 + -2x + 2x

Combine like terms: 3x + 2x = 5x
15 + 5x = -20 + -2x + 2x

Combine like terms: -2x + 2x = 0
15 + 5x = -20 + 0
15 + 5x = -20

Add '-15' to each side of the equation.
15 + -15 + 5x = -20 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = -20 + -15
5x = -20 + -15

Combine like terms: -20 + -15 = -35
5x = -35

Divide each side by '5'.
x = -7

Simplifying
x = -7

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