Question

(13.4-y)-4.3-20.05=78.05+6.7

Answer 1

(13.4-y)-4.3-20.05=78.05+6.7

(13.4-y)=78.05+6.7+4.3+20.05

13.4-y=109,1

-у=109,1-13.4

у=-95,7

Answer 2

-57.62+4.3у-20.05-78.05-6.7=0

-162.42+4.3у=0

4.3у=162.42

у=