4.6+2.5a-2=6.9

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Solution for 4.6+2.5a-2=6.9 equation: 



4.6+2.5a-2=6.9

We move all terms to the left:

4.6+2.5a-2-(6.9)=0

We add all the numbers together, and all the variables

2.5a-4.3=0

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

2.5a=4.3

a=4.3/2.5

a=1+1/1.3888888888889

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