Question

Solve all for reward and show work

pls help
(r÷1.2)+7.5=45

26=n/6.4+4.3

(b÷2.8)+83=39

y/0.25+12=77

0.89=w/7.9-(-0.14)

z/3.6-0.65=-0.15

Answer 1

ok so the answer 77 because if u find