7.a+2.4=7.8

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Solution for 7.a+2.4=7.8 equation: 



7.a+2.4=7.8

We move all terms to the left:

7.a+2.4-(7.8)=0

We add all the numbers together, and all the variables

7.a-5.4=0

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

7.a=5.4

a=5.4/7.

a=3.8571428571429/5

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