31x-7+66=90

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Solution for 31x-7+66=90 equation:


Simplifying
31x + -7 + 66 = 90

Reorder the terms:
-7 + 66 + 31x = 90

Combine like terms: -7 + 66 = 59
59 + 31x = 90

Solving
59 + 31x = 90

Solving for variable 'x'.

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

Add '-59' to each side of the equation.
59 + -59 + 31x = 90 + -59

Combine like terms: 59 + -59 = 0
0 + 31x = 90 + -59
31x = 90 + -59

Combine like terms: 90 + -59 = 31
31x = 31

Divide each side by '31'.
x = 1

Simplifying
x = 1

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