2(10a+5)=170

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Solution for 2(10a+5)=170 equation: 



2(10a+5)=170

We move all terms to the left:

2(10a+5)-(170)=0

We multiply parentheses

20a+10-170=0

We add all the numbers together, and all the variables

20a-160=0

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

20a=160

a=160/20

a=8

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