139=4(1-4r)-3

Solution for 139=4(1-4r)-3 equation:

139=4(1-4r)-3

We move all terms to the left:

139-(4(1-4r)-3)=0

We add all the numbers together, and all the variables

-(4(-4r+1)-3)+139=0


We calculate terms in parentheses: -(4(-4r+1)-3), so:

4(-4r+1)-3

We multiply parentheses

-16r+4-3

We add all the numbers together, and all the variables

-16r+1

Back to the equation:

-(-16r+1)


We get rid of parentheses

16r-1+139=0

We add all the numbers together, and all the variables

16r+138=0

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

16r=-138

r=-138/16

r=-8+5/8