3x+21=7x+14

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Solution for 3x+21=7x+14 equation:



3x+21=7x+14
We move all terms to the left:
3x+21-(7x+14)=0
We get rid of parentheses
3x-7x-14+21=0
We add all the numbers together, and all the variables
-4x+7=0
We move all terms containing x to the left, all other terms to the right
-4x=-7
x=-7/-4
x=1+3/4

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