Question

7х- 4х= 7,9- 4,6
решите уравнение

Answer 1

$7x - 4x = 7.9 - 4.6 \\ 3x = 3.3 \\ x = 3.3 \div 3 \\ x = 1.1$

Answer 2

7x-4x=7,9-4,6
3x=3,3
x=3,3:3
x=1,1