4x-31+x=90

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Solution for 4x-31+x=90 equation:


Simplifying
4x + -31 + x = 90

Reorder the terms:
-31 + 4x + x = 90

Combine like terms: 4x + x = 5x
-31 + 5x = 90

Solving
-31 + 5x = 90

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 + 5x = 90 + 31

Combine like terms: -31 + 31 = 0
0 + 5x = 90 + 31
5x = 90 + 31

Combine like terms: 90 + 31 = 121
5x = 121

Divide each side by '5'.
x = 24.2

Simplifying
x = 24.2

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