3x+15=84

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Solution for 3x+15=84 equation: 


Simplifying
3x + 15 = 84

Reorder the terms:
15 + 3x = 84

Solving
15 + 3x = 84

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 84 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 84 + -15
3x = 84 + -15

Combine like terms: 84 + -15 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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