Question

а)4(1-0.5)=-2(3+2x) б)5(x+1.2)=12.5x

Answer 1

4(1-0.5)=2(3+2х)
4-2=6+4х
2=6+4х
-4х=4
х=-1
5(х+1.2)=12.5х
5х+6=12.5х
5х-12.5х=-6
-7.5х=6
х=0.8