21-10x=7x+3

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Solution for 21-10x=7x+3 equation: 



21-10x=7x+3

We move all terms to the left:

21-10x-(7x+3)=0

We get rid of parentheses

-10x-7x-3+21=0

We add all the numbers together, and all the variables

-17x+18=0

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

-17x=-18

x=-18/-17

x=1+1/17

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