x+9=-2(x+15)

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Solution for x+9=-2(x+15) equation:


Simplifying
x + 9 = -2(x + 15)

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

Reorder the terms:
9 + x = -2(15 + x)
9 + x = (15 * -2 + x * -2)
9 + x = (-30 + -2x)

Solving
9 + x = -30 + -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.
9 + x + 2x = -30 + -2x + 2x

Combine like terms: x + 2x = 3x
9 + 3x = -30 + -2x + 2x

Combine like terms: -2x + 2x = 0
9 + 3x = -30 + 0
9 + 3x = -30

Add '-9' to each side of the equation.
9 + -9 + 3x = -30 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = -30 + -9
3x = -30 + -9

Combine like terms: -30 + -9 = -39
3x = -39

Divide each side by '3'.
x = -13

Simplifying
x = -13

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