4x-31-x=-4

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


Simplifying
4x + -31 + -1x = -4

Reorder the terms:
-31 + 4x + -1x = -4

Combine like terms: 4x + -1x = 3x
-31 + 3x = -4

Solving
-31 + 3x = -4

Solving for variable 'x'.

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

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

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

Combine like terms: -4 + 31 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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