(5x+21)=120

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Solution for (5x+21)=120 equation: 



(5x+21)=120

We move all terms to the left:

(5x+21)-(120)=0

We get rid of parentheses

5x+21-120=0

We add all the numbers together, and all the variables

5x-99=0

We move all terms containing x to the left, all other terms to the right

5x=99

x=99/5

x=19+4/5

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