7x-21=2x+51

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Solution for 7x-21=2x+51 equation:



7x-21=2x+51
We move all terms to the left:
7x-21-(2x+51)=0
We get rid of parentheses
7x-2x-51-21=0
We add all the numbers together, and all the variables
5x-72=0
We move all terms containing x to the left, all other terms to the right
5x=72
x=72/5
x=14+2/5

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