14x+21=4x-7+3x

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Solution for 14x+21=4x-7+3x equation: 



14x+21=4x-7+3x

We move all terms to the left:

14x+21-(4x-7+3x)=0

We add all the numbers together, and all the variables

14x-(7x-7)+21=0

We get rid of parentheses

14x-7x+7+21=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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