2x+18=+21

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Solution for 2x+18=+21 equation:



2x+18=+21
We move all terms to the left:
2x+18-(+21)=0
We add all the numbers together, and all the variables
2x+18-21=0
We add all the numbers together, and all the variables
2x-3=0
We move all terms containing x to the left, all other terms to the right
2x=3
x=3/2
x=1+1/2

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