5x+21=120

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Solution for 5x+21=120 equation: 


Simplifying
5x + 21 = 120

Reorder the terms:
21 + 5x = 120

Solving
21 + 5x = 120

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 5x = 120 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = 120 + -21
5x = 120 + -21

Combine like terms: 120 + -21 = 99
5x = 99

Divide each side by '5'.
x = 19.8

Simplifying
x = 19.8

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