3=-7.2(2+2e)

Solution for 3=-7.2(2+2e) equation:

3=-7.2(2+2e)

We move all terms to the left:

3-(-7.2(2+2e))=0

We add all the numbers together, and all the variables

-(-7.2(2e+2))+3=0


We calculate terms in parentheses: -(-7.2(2e+2)), so:

-7.2(2e+2)

We multiply parentheses

-14.4e-14.4

Back to the equation:

-(-14.4e-14.4)


We get rid of parentheses

14.4e+14.4+3=0

We add all the numbers together, and all the variables

14.4e+17.4=0

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

14.4e=-17.4

e=-17.4/14.4

e=-1+1/4.8