Ответ:
-3/4
Пошаговое объяснение:
2/3(1/3х - 1/2) = 4х + 2 1/2
2/9х - 2/6 = 4х + 2 1/2
2/9х - 4х = 2 1/2 + 2/6
2/9х - 3 9/9х = 2 3/6 + 2/6
-3 7/9х = 2 5/6
-34/9х = 17/6
х = 17/6 : (-34/9)
х = 17/6 * (-9/34)
х = 1/2 * (-3/2)
х = -3/4
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Answers & Comments
Ответ:
-3/4
Пошаговое объяснение:
2/3(1/3х - 1/2) = 4х + 2 1/2
2/9х - 2/6 = 4х + 2 1/2
2/9х - 4х = 2 1/2 + 2/6
2/9х - 3 9/9х = 2 3/6 + 2/6
-3 7/9х = 2 5/6
-34/9х = 17/6
х = 17/6 : (-34/9)
х = 17/6 * (-9/34)
х = 1/2 * (-3/2)
х = -3/4