48+3x+21=90

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Solution for 48+3x+21=90 equation:



48+3x+21=90
We move all terms to the left:
48+3x+21-(90)=0
We add all the numbers together, and all the variables
3x-21=0
We move all terms containing x to the left, all other terms to the right
3x=21
x=21/3
x=7

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