33 Реши уравнения. 36+x=54 87-x=30 y-18=29

Question

1. 36 + x = 54
x = 54 - 36
x = 18

2. 87 - x = 30
x = 87 - 30
x = 57

3. y - 18 = 29
y = 29 + 18
y = 47

Accepted Answer

1. 36 + x = 54
x = 54 - 36
x = 18

2. 87 - x = 30
x = 87 - 30
x = 57

3. y - 18 = 29
y = 29 + 18
y = 47

Ответ: