21x-7=8+17x

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Solution for 21x-7=8+17x equation: 



21x-7=8+17x

We move all terms to the left:

21x-7-(8+17x)=0

We add all the numbers together, and all the variables

21x-(17x+8)-7=0

We get rid of parentheses

21x-17x-8-7=0

We add all the numbers together, and all the variables

4x-15=0

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

4x=15

x=15/4

x=3+3/4

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