Question

решите уравнение 5,2х-(3,4х+4)=7-(10-2,2)

Answer 1

5,2х-(3,4х+4)=7-(10-2,2)
5,2х-3,4х-4=7-10+2,2
1,8х=7-10+2,2+4
1,8х=3,2
х=$frac{3,2}{1,8}$
х=2