2x+24=42 746+t=947 2c-68=78 4d-58=12 91=m+19 753-2p=275 - вопрос №2244274694726878458129119753227570226698185357831 от s1cro 15.06.2020 23:50

Question

Математика: 2x+24=42 746+t=947 2c-68=78 4d-58=12 91=m+19 753-2p=275 70+2n=266 98=n-18 решите уравнения

s1cro · Answer

2x+24=422х=42-242х=18х=18:2х=9746+t=947t=947-746t=2012c-68=782c=78+682c=146c=734d-58=12 4d=12+684d=80d=2091=m+19-m=19-91-m=-72m=72753-2p=275-2p=275-753-2p=-478p=23970+2n=266 2n=266-702n=196n=196/2n=9898=n-18-n=-18-98-n=-116n=116...