5-2a-0.5a=4

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Solution for 5-2a-0.5a=4 equation: 



5-2a-0.5a=4

We move all terms to the left:

5-2a-0.5a-(4)=0

We add all the numbers together, and all the variables

-2.5a+1=0

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

-2.5a=-1

a=-1/-2.5

a=1/2.5

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