13x+39=78

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Solution for 13x+39=78 equation: 


Simplifying
13x + 39 = 78

Reorder the terms:
39 + 13x = 78

Solving
39 + 13x = 78

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 + 13x = 78 + -39

Combine like terms: 39 + -39 = 0
0 + 13x = 78 + -39
13x = 78 + -39

Combine like terms: 78 + -39 = 39
13x = 39

Divide each side by '13'.
x = 3

Simplifying
x = 3

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