7x-10=21x-4

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Solution for 7x-10=21x-4 equation: 



7x-10=21x-4

We move all terms to the left:

7x-10-(21x-4)=0

We get rid of parentheses

7x-21x+4-10=0

We add all the numbers together, and all the variables

-14x-6=0

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

-14x=6

x=6/-14

x=-3/7

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