2,5( 2 - х ) = 0,5х + 5
5-2.5х=0.5х+5
-2.5х-0.5х=5-5
-3х=0
-х=0
х=0
2,5(2-х)=0,5х+5
5-2,5х=0,5х+5
-2,5х=0,5х
-2,5х-0,5х=0
2,5( 2 - х ) = 0,5х + 5
5-2.5х=0.5х+5
-2.5х-0.5х=5-5
-3х=0
-х=0
х=0
2,5(2-х)=0,5х+5
5-2,5х=0,5х+5
-2,5х=0,5х
-2,5х-0,5х=0
-3х=0
х=0