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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