Question

If -2/5r=20, then r=50 true or false

Answer 1

if -2/5r=20, then r=50 true or false​

we have

-2/5r=20

solve for r

Multiply by -5/2 both sides

-(2/5)*(-5/2)r=20*(-5/2)

r=-50

therefore

the answer is False