2(8.5-a)=2.5

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Solution for 2(8.5-a)=2.5 equation: 



2(8.5-a)=2.5

We move all terms to the left:

2(8.5-a)-(2.5)=0

We add all the numbers together, and all the variables

2(-1a+8.5)-(2.5)=0

We add all the numbers together, and all the variables

2(-1a+8.5)-2.5=0

We multiply parentheses

-2a+17-2.5=0

We add all the numbers together, and all the variables

-2a+14.5=0

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

-2a=-14.5

a=-14.5/-2

a=7+0.5/2

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