2x+14=7x+21

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Solution for 2x+14=7x+21 equation: 



2x+14=7x+21

We move all terms to the left:

2x+14-(7x+21)=0

We get rid of parentheses

2x-7x-21+14=0

We add all the numbers together, and all the variables

-5x-7=0

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

-5x=7

x=7/-5

x=-1+2/5

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