5a-1=2.5a-4

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Solution for 5a-1=2.5a-4 equation: 



5a-1=2.5a-4

We move all terms to the left:

5a-1-(2.5a-4)=0

We get rid of parentheses

5a-2.5a+4-1=0

We add all the numbers together, and all the variables

2.5a+3=0

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

2.5a=-3

a=-3/2.5

a=-1+0.5/2.5

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