2(х+1)+3=3(х-1)+6 решить уравнение
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17.03.2020 18:23
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3
2(х+1)+3=3(х-1)+6
2x + 2 + 3 = 3x - 3 + 6
2x + 5 = 3x + 3
5x = 2
x =
х = 2
Пошаговое объяснение:
2(х+1)+3=3(х-1)+6
2х + 2 + 3 = 3х - 3 + 6
2х - 3х = 3 - 5
-х = -2
х = 2
Проверим:
2(2+1)+3 = 3(2-1)+6
2*3+3 = 3+6
9 = 9