Question

(y:4-35)×120=3000 уравнение

Answer 1

120у :480-4200=3000
120у = -480+4200+3000
120у= 6720
у= 6720:120
у=56

Answer 2

(y:4-35)×120=3000
120y:480-4200=3000
120y÷(-3720)=3000
120y=3000-3720
120y=-720
y=-720:120
y=-6
Проверка:
(-6:4-35)×120=3000