rowiaz rownanie 8t+5/10t-7=4t-3/5t+7
rowiaz rownanie 8t+5/10t-7=4t-3/5t+7
8t+4t:10t-5t=5-3:7+7 12t:5t=2:14 2.4t=1/7
8t+5/10t-7=4t-3/5t+7 8t+5/10t-4t+3/5t=7+7 8t+5/10t-4t+6/10t=14 4t+11/10t=14 5 i 1/10t=14 /:51/10 t=24/51