Пошаговое объяснение:
-9(0,3х - 8) + 4(1,8х - 2) =
-2,7х + 72 + 7,2х - 8 = 4,5х + 64
х = -0,21
4,5х + 64 = 4,5 * (-0,21) + 64 = -0,945 + 64 = 63,055
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Пошаговое объяснение:
-9(0,3х - 8) + 4(1,8х - 2) =
-2,7х + 72 + 7,2х - 8 = 4,5х + 64
х = -0,21
4,5х + 64 = 4,5 * (-0,21) + 64 = -0,945 + 64 = 63,055