7x+21=1057x+21=105

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Solution for 7x+21=1057x+21=105 equation: 



7x+21=1057x+21=105

We move all terms to the left:

7x+21-(1057x+21)=0

We get rid of parentheses

7x-1057x-21+21=0

We add all the numbers together, and all the variables

-1050x=0

x=0/-1050

x=0

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