(3x-1)+31=90

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Solution for (3x-1)+31=90 equation:


Simplifying
(3x + -1) + 31 = 90

Reorder the terms:
(-1 + 3x) + 31 = 90

Remove parenthesis around (-1 + 3x)
-1 + 3x + 31 = 90

Reorder the terms:
-1 + 31 + 3x = 90

Combine like terms: -1 + 31 = 30
30 + 3x = 90

Solving
30 + 3x = 90

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 3x = 90 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 90 + -30
3x = 90 + -30

Combine like terms: 90 + -30 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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