Question

0.4(x-3)=0.5(4+x)-2.5

Answer 1

0,4х-1.2=2+0.5х-2.5
0.4х-0.5х=2-2.5+1.2
-0.1х=0.7
х=0.7:(-0.1)
х=-7

Answer 2

0.4x-1.2=2+0.5x-2.5
-0.1x=0.7
x=-7