15x-103=121+7x

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Solution for 15x-103=121+7x equation: 



15x-103=121+7x

We move all terms to the left:

15x-103-(121+7x)=0

We add all the numbers together, and all the variables

15x-(7x+121)-103=0

We get rid of parentheses

15x-7x-121-103=0

We add all the numbers together, and all the variables

8x-224=0

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

8x=224

x=224/8

x=28

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