Ответ:
Пошаговое объяснение:
5(x+2)=4(3-x)+7
5x + 10 = 12 - 4x + 7
5x + 10 = 19 - 4x
5x + 4x = 19 - 10
9x = 9
x = 9:9
x = 1
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Ответ:
Пошаговое объяснение:
5(x+2)=4(3-x)+7
5x + 10 = 12 - 4x + 7
5x + 10 = 19 - 4x
5x + 4x = 19 - 10
9x = 9
x = 9:9
x = 1