6-7x=6x-8=21

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Solution for 6-7x=6x-8=21 equation: 



6-7x=6x-8=21

We move all terms to the left:

6-7x-(6x-8)=0

We get rid of parentheses

-7x-6x+8+6=0

We add all the numbers together, and all the variables

-13x+14=0

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

-13x=-14

x=-14/-13

x=1+1/13

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