А. -2х + 8х = -12 Б. 5х - 3х = 15 - 17
В. 3х - 5х = -21 +33
Г. -7х - 9х = -40 + 8

А. 3а + 3(7 - а)
Б. 4а - 2(8 - 2а)

2 вариант

А. -3х + 10х = -15 - 6
Б. 7х - 5х = 17 - 35
В. 5х - 7х = -35 + 37
Г. -2х -11х = -45 + 6

И второе задание❤️
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