21+15x=55+10x

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Solution for 21+15x=55+10x equation: 



21+15x=55+10x

We move all terms to the left:

21+15x-(55+10x)=0

We add all the numbers together, and all the variables

15x-(10x+55)+21=0

We get rid of parentheses

15x-10x-55+21=0

We add all the numbers together, and all the variables

5x-34=0

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

5x=34

x=34/5

x=6+4/5

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