4x-21=-3x+28

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Solution for 4x-21=-3x+28 equation:



4x-21=-3x+28
We move all terms to the left:
4x-21-(-3x+28)=0
We get rid of parentheses
4x+3x-28-21=0
We add all the numbers together, and all the variables
7x-49=0
We move all terms containing x to the left, all other terms to the right
7x=49
x=49/7
x=7

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