Question

Решите уравнения:
а)34-9х=1,6
б)8,1:х-0,7=0,3

Answer 1

34-9×=1.6
-9×=1.6-34
-9×=-32.4
×=-32.4:(-9)
×=3.6

8.1:×-0.7=0.3
×=0.3•8.1+0.7
×=3.13