31x-7=90

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Solution for 31x-7=90 equation: 


Simplifying
31x + -7 = 90

Reorder the terms:
-7 + 31x = 90

Solving
-7 + 31x = 90

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 31x = 90 + 7

Combine like terms: -7 + 7 = 0
0 + 31x = 90 + 7
31x = 90 + 7

Combine like terms: 90 + 7 = 97
31x = 97

Divide each side by '31'.
x = 3.129032258

Simplifying
x = 3.129032258

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