4x+21=120

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Solution for 4x+21=120 equation: 



4x+21=120

We move all terms to the left:

4x+21-(120)=0

We add all the numbers together, and all the variables

4x-99=0

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

4x=99

x=99/4

x=24+3/4

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