1) 15x-12=8-5x 2) -10y-64=6y 3) 16m-5=15m-10 4) - вопрос №39972361151285210646316515104401220115638 от nastyakopylova7 23.11.2021 03:44

Question

Математика: 1) 15x-12=8-5x 2) -10y-64=6y 3) 16m-5=15m-10 4) 40-12x=20-11x 5) 63-8n=n 25-9y-5y+11

nastyakopylova7 · Answer

1)15x-12=8-5x15x+5x=8+1220x=20x=12)-10y-64=6y-10y-6y=64-16y=64y=-43)16m-5=15m-1016m-15m=-10+5m=-54)40-12x=20-11x-12x+11x=20-40-x=-20x=205)63-8n=n-8n-n=-63-9n=-63n=7...