3x-31=90

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Solution for 3x-31=90 equation: 


Simplifying
3x + -31 = 90

Reorder the terms:
-31 + 3x = 90

Solving
-31 + 3x = 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 + 3x = 90 + 31

Combine like terms: -31 + 31 = 0
0 + 3x = 90 + 31
3x = 90 + 31

Combine like terms: 90 + 31 = 121
3x = 121

Divide each side by '3'.
x = 40.33333333

Simplifying
x = 40.33333333

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