10.25a+7.5(8-a)=65.5

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Solution for 10.25a+7.5(8-a)=65.5 equation: 



10.25a+7.5(8-a)=65.5

We move all terms to the left:

10.25a+7.5(8-a)-(65.5)=0

We add all the numbers together, and all the variables

10.25a+7.5(-1a+8)-(65.5)=0

We add all the numbers together, and all the variables

10.25a+7.5(-1a+8)-65.5=0

We multiply parentheses

10.25a-7.5a+60-65.5=0

We add all the numbers together, and all the variables

2.75a-5.5=0

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

2.75a=5.5

a=5.5/2.75

a=2

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