-7(x+7)=-9x-31

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Solution for -7(x+7)=-9x-31 equation:


Simplifying
-7(x + 7) = -9x + -31

Reorder the terms:
-7(7 + x) = -9x + -31
(7 * -7 + x * -7) = -9x + -31
(-49 + -7x) = -9x + -31

Reorder the terms:
-49 + -7x = -31 + -9x

Solving
-49 + -7x = -31 + -9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9x' to each side of the equation.
-49 + -7x + 9x = -31 + -9x + 9x

Combine like terms: -7x + 9x = 2x
-49 + 2x = -31 + -9x + 9x

Combine like terms: -9x + 9x = 0
-49 + 2x = -31 + 0
-49 + 2x = -31

Add '49' to each side of the equation.
-49 + 49 + 2x = -31 + 49

Combine like terms: -49 + 49 = 0
0 + 2x = -31 + 49
2x = -31 + 49

Combine like terms: -31 + 49 = 18
2x = 18

Divide each side by '2'.
x = 9

Simplifying
x = 9

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