-3x-4=4x+31

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Solution for -3x-4=4x+31 equation:


Simplifying
-3x + -4 = 4x + 31

Reorder the terms:
-4 + -3x = 4x + 31

Reorder the terms:
-4 + -3x = 31 + 4x

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

Solving for variable 'x'.

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

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

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

Combine like terms: 4x + -4x = 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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