2.5a-7=3

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Solution for 2.5a-7=3 equation: 



2.5a-7=3

We move all terms to the left:

2.5a-7-(3)=0

We add all the numbers together, and all the variables

2.5a-10=0

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

2.5a=10

a=10/2.5

a=4

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