-7=4.9+a

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Solution for -7=4.9+a equation: 



-7=4.9+a

We move all terms to the left:

-7-(4.9+a)=0

We add all the numbers together, and all the variables

-(a+4.9)-7=0

We get rid of parentheses

-a-4.9-7=0

We add all the numbers together, and all the variables

-1a-11.9=0

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

-a=11.9

a=11.9/-1

a=-11+0.9/1

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