3x+39=84

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Solution for 3x+39=84 equation: 


Simplifying
3x + 39 = 84

Reorder the terms:
39 + 3x = 84

Solving
39 + 3x = 84

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 + 3x = 84 + -39

Combine like terms: 39 + -39 = 0
0 + 3x = 84 + -39
3x = 84 + -39

Combine like terms: 84 + -39 = 45
3x = 45

Divide each side by '3'.
x = 15

Simplifying
x = 15

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