4 - (5+y) + (7-2y) = 4-5-y-7+2y

4 + (5-y) - (7-2y) = 4+5-y-7-2y

Question

Математика

Евгеша

10 марта, 22:58

4 - (5+y) + (7-2y) = 4-5-y-7+2y

4 + (5-y) - (7-2y) = 4+5-y-7-2y

+4

Ответы (1)

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Бронислава · Answer 1

4 - (5+у) + (7-2 у) = 4-5-y-7+2y

4-5-y+7-2y=-8+y

6-3y=-8+y

4y=14

y=14/4

y=3,5

4 + (5-y) - (7-2y) = 4+5-y-7-2y

4+5-y-7+2y=2-3y

2+y=2-3y

y+3y=2-2

4y=0

y=0/4

y=0

4 - (5+y) + (7-2y) = 4-5-y-7+2y4 + (5-y) - (7-2y) = 4+5-y-7-2y

4 - (5+y) + (7-2y) = 4-5-y-7+2y

4 + (5-y) - (7-2y) = 4+5-y-7-2y