How do you solve 5( - 4+ a ) \geq 65?

1 Answer
Apr 23, 2017

a>= 17

Explanation:

"distribute the bracket"

rArr-20+5a>=65

"Isolate 5a by adding 20 to both sides"

cancel(-20)cancel(+20)+5a>=65+20

rArr5a>=85

"divide both sides by 5"

(cancel(5) a)/cancel(5)>=85/5

rArra>=17" is the solution"