21+3x=14+7x

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



21+3x=14+7x
We move all terms to the left:
21+3x-(14+7x)=0
We add all the numbers together, and all the variables
3x-(7x+14)+21=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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