8х+3(7-2х)=4х+3 23-4(3х+8)=1-17х 8х+21-6х=4х+3 23-12х-32=1-17х 8х-6х-4х=3-21 -12х+17х=1-23+32 -2х=-18 5х=10 х=9 х=2