6x+21=13x-42x=

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Solution for 6x+21=13x-42x= equation: 



6x+21=13x-42x=

We move all terms to the left:

6x+21-(13x-42x)=0

We add all the numbers together, and all the variables

6x-(-29x)+21=0

We get rid of parentheses

6x+29x+21=0

We add all the numbers together, and all the variables

35x+21=0

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

35x=-21

x=-21/35

x=-3/5

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