Question

б) -2 2/5 *(-3/8x + 1/4)= 4,5

Answer 1

-12/5*(-3/8х+1/4)=4,5
1/4-3/8х=4,5/(-12/5)
1/4-3/8х=-15/8
-3/8х=-15/8-1/4
-3/8х=-17/8
х=17/8*8/3
х=17/3
минусы ушли