Автор - dilyaragabitova2

пж
4-3×=16
5y-7=-12
7×-1=2×-11
2×-(5×-6)=7+(×-1)​

Ответ

Автор - Odinokiynavek

1.

4-3x=16

-3x=16-4

-x=12:3

x=-4

2.

5y-7=-12

5y=-12+7

y=-5:5

y=-1

3.

7×-1=2×-11

7x-2x=-11+1

5x=10

x=10:5

x=2

4.

2×-(5×-6)=7+(×-1)

2x-5x+6=7+x-1

2x-5x-x=7-1-6

-4x=0

x=0:4

x=0

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