Question

0,4(6 - 4t)=0,5(7 - 3t) - 1,9 решите! быстрей!!!!

Answer 1

0,4(6-4t)=0.5(7-3t)-1.9
2.4-1.6t=3.5-1.5t-1.9
2.4-1.6t=1.6-1.5t
-1.6t+1.5t=1.6-2.4
0.1t=-0.8
t=-8