-2x-4+7x=31

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Solution for -2x-4+7x=31 equation:


Simplifying
-2x + -4 + 7x = 31

Reorder the terms:
-4 + -2x + 7x = 31

Combine like terms: -2x + 7x = 5x
-4 + 5x = 31

Solving
-4 + 5x = 31

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 5x = 31 + 4

Combine like terms: -4 + 4 = 0
0 + 5x = 31 + 4
5x = 31 + 4

Combine like terms: 31 + 4 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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