8х-3-5х=6 8*3-3-5*3= 6
3х = 6+3 24-3-15 = 6
3х = 9 24-18 = 6
х= 9:3 6 = 6
х = 3
7*(3+k)=33+5k 7*(3+6)=33+5*6
21 + 7к = 33+5к 7*9=33+30
7к-5к = 33-21 63=63
2к = 12
к= 6
8х-3-5х=6 8*3-3-5*3= 6
3х = 6+3 24-3-15 = 6
3х = 9 24-18 = 6
х= 9:3 6 = 6
х = 3
7*(3+k)=33+5k 7*(3+6)=33+5*6
21 + 7к = 33+5к 7*9=33+30
7к-5к = 33-21 63=63
2к = 12
к= 6