.5(4a-15)+3=99.5

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Solution for .5(4a-15)+3=99.5 equation: 



.5(4a-15)+3=99.5

We move all terms to the left:

.5(4a-15)+3-(99.5)=0

We add all the numbers together, and all the variables

.5(4a-15)-96.5=0

We multiply parentheses

2a-7.5-96.5=0

We add all the numbers together, and all the variables

2a-104=0

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

2a=104

a=104/2

a=52

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