2(a-8.5)-2.6=3.1+7.4

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Solution for 2(a-8.5)-2.6=3.1+7.4 equation: 



2(a-8.5)-2.6=3.1+7.4

We move all terms to the left:

2(a-8.5)-2.6-(3.1+7.4)=0

We add all the numbers together, and all the variables

2(a-8.5)-2.6-(10.5)=0

We add all the numbers together, and all the variables

2(a-8.5)-13.1=0

We multiply parentheses

2a-17-13.1=0

We add all the numbers together, and all the variables

2a-30.1=0

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

2a=30.1

a=30.1/2

a=15+0.1/2

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