3x+21=2x+3

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Solution for 3x+21=2x+3 equation:



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

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