7-a/4.2=3.2

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Solution for 7-a/4.2=3.2 equation: 



7-a/4.2=3.2

We move all terms to the left:

7-a/4.2-(3.2)=0

We add all the numbers together, and all the variables

-a/4.2+3.8=0

We multiply all the terms by the denominator


-a+(3.8)*4.2=0

We add all the numbers together, and all the variables

-1a+15.96=0

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

-a=-15.96

a=-15.96/-1

a=15+0.96/1

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