2a+a/2=90

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Solution for 2a+a/2=90 equation: 



2a+a/2=90

We move all terms to the left:

2a+a/2-(90)=0

We multiply all the terms by the denominator


2a*2+a-90*2=0

We add all the numbers together, and all the variables

a+2a*2-180=0

Wy multiply elements

a+4a-180=0

We add all the numbers together, and all the variables

5a-180=0

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

5a=180

a=180/5

a=36

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