Question

UL. LUUIOPOA
a) 5m -(3m+5)+(2m - 4);
6) - 5 (x+3)+4 (x - 2) - 6 (2x + 1);
B) 0,2 (6x – 5) – 4 (0,2x - 2);
r) 0,4 (1,5y + 3)— 2,5 (3—0,6y);

Answer 1

а) 5m - (3m + 5) + (2m - 4) =

= 5m - 3m - 5 + 2m - 4 =

= 4m - 9

b) -5(x + 3) + 4(x - 2) - 6(2x + 1) =

= -5x - 15 + 4x - 8 - 12x - 6 =

= -13x - 29

в) 0,2(6x - 5) - 4(0,2x - 2) =

= 1,2x - 1 - 0,8x + 8 =

= 0,4x + 7

г) 0,4(1,5y + 3) - 2,5(3 - 0,6y) =

= 0,6y + 1,2 - 7,5 + 1,5y =

= 2,1y - 6,3