7x-8=21+8

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



7x-8=21+8

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-8-29=0

We add all the numbers together, and all the variables

7x-37=0

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

7x=37

x=37/7

x=5+2/7

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