4(3 - х) + 2(2 - 3х) = 36
12 - 4х + 4 - 6х = 36
-4х - 6х = 36 - 12 - 4
-10х = 20
х = 20 : (-10)
х = -2
Ответ: -2.
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4(3 - х) + 2(2 - 3х) = 36
12 - 4х + 4 - 6х = 36
-4х - 6х = 36 - 12 - 4
-10х = 20
х = 20 : (-10)
х = -2
Ответ: -2.