Question

5(2+1,5x)-0,5x=24
4-5(3x+2,5)=3x+9,5

Answer 1

1) 5(2+1,5х)-0,5х=24
10+7,5х-0,5х=24
7,5х-0,5х=24-10
7х=14
х=2.

2)4-5(3х+2,5)=3х+9,5
4-15х-12,5=3х+9,5
-15х-3х=9,5-4+12,5
-18х=18
х=-1