15+2(х+3у)=3(4х-у), 2(5х-у)-3у=2+3(2х-у)

Question

15+2(х+3у)=3(4х-у), 2(5х-у)-3у=2+3(2х-у)

Answer 1

15+2х+6у=12х-3у; 10х-9у=15; 10х-2у-3у=2+6х-3у; 4х-2у=2; 2х-у=1