-13+21=-2(x+7)

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Solution for -13+21=-2(x+7) equation:


Simplifying
-13 + 21 = -2(x + 7)

Combine like terms: -13 + 21 = 8
8 = -2(x + 7)

Reorder the terms:
8 = -2(7 + x)
8 = (7 * -2 + x * -2)
8 = (-14 + -2x)

Solving
8 = -14 + -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.
8 + 2x = -14 + -2x + 2x

Combine like terms: -2x + 2x = 0
8 + 2x = -14 + 0
8 + 2x = -14

Add '-8' to each side of the equation.
8 + -8 + 2x = -14 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = -14 + -8
2x = -14 + -8

Combine like terms: -14 + -8 = -22
2x = -22

Divide each side by '2'.
x = -11

Simplifying
x = -11

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