Question

How do you solve `48= - ( 1+ 2r ) - 7( 5r - 7)`?

Answer 1

`r=0`

Explanation:

`48=-1-2r-35r+49` Expand brackets

`48=48-37r` collect like terms

`0=-37r` subtract `48` from both sides

`0=r` divide both sides by `-37`