15d+142=13d+170

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Solution for 15d+142=13d+170 equation: 



15d+142=13d+170

We move all terms to the left:

15d+142-(13d+170)=0

We get rid of parentheses

15d-13d-170+142=0

We add all the numbers together, and all the variables

2d-28=0

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

2d=28

d=28/2

d=14

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