7x+39=81

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Solution for 7x+39=81 equation: 


Simplifying
7x + 39 = 81

Reorder the terms:
39 + 7x = 81

Solving
39 + 7x = 81

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 7x = 81 + -39

Combine like terms: 39 + -39 = 0
0 + 7x = 81 + -39
7x = 81 + -39

Combine like terms: 81 + -39 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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