Решить уравнение 2, 8-х+3, 7=3, 2; (5, 6+у)-3, 8=4, 4
2.8 - х + 3.7 = 3.2 -х = 3.2 - 2.8 - 3.7 -х = -3.3 х = 33 (5.6 + у) - 3.8 = 4.4 (5.6 + у) = 4.4 + 3.8 5.6 + у = 8.2 у = 8.2 - 5.6 у = 2.6
1) 2.8-x+3.7=3.2 2.8+3.7-3.2=x x=3.3 2) (5.6+y)-3.8=4.4 y=4.4-5.6+3.8 y=2.6