Question

4(2,5-3,5х)=19,5-2,5(5+2х)

Answer 1

10-14х=19.5-12.5-5х
10-14х=7-5х
-14х+5х=7-10
-9х=-3
х=3/9
х=1/3

Answer 2

4(2,5-3,5х)=19,5-2,5(5+2х)
10-14х=19,5-12,5-5х
-14х+5х=19,5-12,5-10
-9х=-3
х=-3/9
х=-1/3