2(x+3)+5(x+1)
9(7+y)+8(6+y)
4(3x+23)+7(6+5x)
12(9+8y)+3(11+6y)

2(х+3)+5(х+1)=2х+6+5х+5=7х+11=7х= -11х= -11/7= -1 4/79(7+у)+8(6+у)=63+9у+48+8у=111+17у=17у= -111у= -111/17= 6 9/174(3х+23)+7(6+5х)=12х+92+42+35х=47х+117=47х= -117х= -117/47= -2 23/4712(9+8у)+3(11+6у)=108+96у+33+18у=114у+141=114у= -141у= -141/114= -1 27/114