4.2+1.8a=2.5a

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Solution for 4.2+1.8a=2.5a equation: 



4.2+1.8a=2.5a

We move all terms to the left:

4.2+1.8a-(2.5a)=0

We add all the numbers together, and all the variables

1.8a-(+2.5a)+4.2=0

We get rid of parentheses

1.8a-2.5a+4.2=0

We add all the numbers together, and all the variables

-0.7a+4.2=0

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

-0.7a=-4.2

a=-4.2/-0.7

a=6+8.881784197E-16/0.7

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