Question

0.4r-1.3=0.3+.0.6

Answer 1

0.4r-1.3=0.3r+.0.6

Answer 2

use a calculator if possible. subtract .3r from both sides and add 1.3 to both sides, then you'll have to divide both sides by .1 to get "r" by itself and solve. Try it. does that make sense

Answer 3

Yes thank you. :)

Answer 4

i think you are right