Пошаговое объяснение:
а)10x-9x+10=13
x + 10 = 13
x = 13 - 10
x = 3
б)11y+18y-46=70
29y - 46 = 70
29y = 70+46
29y = 116
y = 116 : 29
y = 4
в)4z-3z+25=42
z + 25 = 42
z = 42 - 25
z = 17
г)5p+6p-77=0
11p - 77 = 0
11p = 77
p = 77 : 11
p = 7
Пошаговое объяснение:
а)10x-9x+10=13
x + 10 = 13
x = 13 - 10
x = 3
б)11y+18y-46=70
29y - 46 = 70
29y = 70+46
29y = 116
y = 116 : 29
y = 4
в)4z-3z+25=42
z + 25 = 42
z = 42 - 25
z = 17
г)5p+6p-77=0
11p - 77 = 0
11p = 77
p = 77 : 11
p = 7