-7(7x-3)=49x-21

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Solution for -7(7x-3)=49x-21 equation: 



-7(7x-3)=49x-21

We move all terms to the left:

-7(7x-3)-(49x-21)=0

We multiply parentheses

-49x-(49x-21)+21=0

We get rid of parentheses

-49x-49x+21+21=0

We add all the numbers together, and all the variables

-98x+42=0

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

-98x=-42

x=-42/-98

x=3/7

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