(8х+11)-13=9х-5
8х + 11 - 13 = 9х - 5
9х - 8х = 5 - 2
х = 3
8х+5=119+(7-3х)
8х + 5 = 119 + 7 - 3х
8х + 3х = 126 - 5
11х = 121
х = 11
(8х+11)-13=9х-5
8х + 11 - 13 = 9х - 5
9х - 8х = 5 - 2
х = 3
8х+5=119+(7-3х)
8х + 5 = 119 + 7 - 3х
8х + 3х = 126 - 5
11х = 121
х = 11