Question

уравнение (0, 9×+4, 55)*0, 3=1, 5
2 уравнение
60, 8:(5, 3×-2, 15)=5

Answer 1

(0,9x+4.55)*0.3=1.5
0.9x+4.55=1.5/0.3
0.9x=5-4.55
x=0.45/0.9
x=0.5

60.8/(5.3x-2.15)=5
5.3x-2.15=60.8/5
5.3x=12.16+2.15
x=14.31/5.3
x=2.7