4.8=1.2(j+-9)

Solution for 4.8=1.2(j+-9) equation:

4.8=1.2(j+-9)

We move all terms to the left:

4.8-(1.2(j+-9))=0

We add all the numbers together, and all the variables

-(1.2(j-9))+4.8=0


We calculate terms in parentheses: -(1.2(j-9)), so:

1.2(j-9)

We multiply parentheses

1.2j-10.8

Back to the equation:

-(1.2j-10.8)


We get rid of parentheses

-1.2j+10.8+4.8=0

We add all the numbers together, and all the variables

-1.2j+15.6=0

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

-1.2j=-15.6

j=-15.6/-1.2

j=+13