Question

i dont understand this 0.4r-1.2+0.3r=0.6

Answer 1

Hmmmm well it depends on what math class you are in? Pre-alg?

Answer 2

no algebra 1 i think

Answer 3

Really? Hmmm ok... are you solving for R? because with that you just

.4 + .3 = .7r

.7r = 1.8

Then solve for r (:

Answer 4

yes

Answer 5

r=((18)/(7)), ≈2.5714285714286}