7x-18=31

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Solution for 7x-18=31 equation: 


Simplifying
7x + -18 = 31

Reorder the terms:
-18 + 7x = 31

Solving
-18 + 7x = 31

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 7x = 31 + 18

Combine like terms: -18 + 18 = 0
0 + 7x = 31 + 18
7x = 31 + 18

Combine like terms: 31 + 18 = 49
7x = 49

Divide each side by '7'.
x = 7

Simplifying
x = 7

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