7X-18=66

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Solution for 7X-18=66 equation: 


Simplifying
7X + -18 = 66

Reorder the terms:
-18 + 7X = 66

Solving
-18 + 7X = 66

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 = 66 + 18

Combine like terms: -18 + 18 = 0
0 + 7X = 66 + 18
7X = 66 + 18

Combine like terms: 66 + 18 = 84
7X = 84

Divide each side by '7'.
X = 12

Simplifying
X = 12

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