3x+28=2x+21

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Solution for 3x+28=2x+21 equation: 



3x+28=2x+21

We move all terms to the left:

3x+28-(2x+21)=0

We get rid of parentheses

3x-2x-21+28=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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