4(-x-1)=31+3x

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Solution for 4(-x-1)=31+3x equation:


Simplifying
4(-1x + -1) = 31 + 3x

Reorder the terms:
4(-1 + -1x) = 31 + 3x
(-1 * 4 + -1x * 4) = 31 + 3x
(-4 + -4x) = 31 + 3x

Solving
-4 + -4x = 31 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-4 + -4x + -3x = 31 + 3x + -3x

Combine like terms: -4x + -3x = -7x
-4 + -7x = 31 + 3x + -3x

Combine like terms: 3x + -3x = 0
-4 + -7x = 31 + 0
-4 + -7x = 31

Add '4' to each side of the equation.
-4 + 4 + -7x = 31 + 4

Combine like terms: -4 + 4 = 0
0 + -7x = 31 + 4
-7x = 31 + 4

Combine like terms: 31 + 4 = 35
-7x = 35

Divide each side by '-7'.
x = -5

Simplifying
x = -5

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