15-(x+3)=-2x

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


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

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

Combine like terms: 15 + -3 = 12
12 + -1x = -2x

Solving
12 + -1x = -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.
12 + -1x + 2x = -2x + 2x

Combine like terms: -1x + 2x = 1x
12 + 1x = -2x + 2x

Combine like terms: -2x + 2x = 0
12 + 1x = 0

Add '-12' to each side of the equation.
12 + -12 + 1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 0 + -12
1x = 0 + -12

Combine like terms: 0 + -12 = -12
1x = -12

Divide each side by '1'.
x = -12

Simplifying
x = -12

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