5x+7(-2x-2)=31

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Solution for 5x+7(-2x-2)=31 equation:


Simplifying
5x + 7(-2x + -2) = 31

Reorder the terms:
5x + 7(-2 + -2x) = 31
5x + (-2 * 7 + -2x * 7) = 31
5x + (-14 + -14x) = 31

Reorder the terms:
-14 + 5x + -14x = 31

Combine like terms: 5x + -14x = -9x
-14 + -9x = 31

Solving
-14 + -9x = 31

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + -9x = 31 + 14

Combine like terms: -14 + 14 = 0
0 + -9x = 31 + 14
-9x = 31 + 14

Combine like terms: 31 + 14 = 45
-9x = 45

Divide each side by '-9'.
x = -5

Simplifying
x = -5

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