21+4x=3x+7

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Solution for 21+4x=3x+7 equation: 



21+4x=3x+7

We move all terms to the left:

21+4x-(3x+7)=0

We get rid of parentheses

4x-3x-7+21=0

We add all the numbers together, and all the variables

x+14=0

We move all terms containing x to the left, all other terms to the right

x=-14

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