Question

помогите пж 8,13x+1,78x=16,9 наудите x

Answer 1

8,13x+1,78x=16,9

9,91x = 16,9

x = 16,9 : 9,91

x = 1690/991

x = 1  699/991

Answer 2

$9.91x = 16.9 \\ x = 1 \frac{699}{991}$