19.6=2.2(r+1.2)+2

Solution for 19.6=2.2(r+1.2)+2 equation:

19.6=2.2(r+1.2)+2

We move all terms to the left:

19.6-(2.2(r+1.2)+2)=0


We calculate terms in parentheses: -(2.2(r+1.2)+2), so:

2.2(r+1.2)+2

We multiply parentheses

2.2r+2.64+2

We add all the numbers together, and all the variables

2.2r+4.64

Back to the equation:

-(2.2r+4.64)


We get rid of parentheses

-2.2r-4.64+19.6=0

We add all the numbers together, and all the variables

-2.2r+14.96=0

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

-2.2r=-14.96

r=-14.96/-2.2

r=6+1/1.25