Упростите выражение: 1) 6a+8 а; 2) 28c-15 с; 3) 13y-2y; 4) m+29m; 5) 98p-p; 6) 17k+k; 7) 4x+13x+15x; 8) 67z-18z+37; 9) 35x+x-6.

1) 6 а+8 а=14 а

2) 28 с-15 с=13 с

3) 13y-2y=11y

4) m+29m=30m

5) 98p-p=97p

6) 17k+k=18k

7) 4x+13x+15x=32x

8) 67z-18z+37=49z+37

9) 35x+x-6=36x-6

1) 6a+8 а = (6+8) a=14a.

2) 28c-15 с = (28-15) c=13c.

3) 13y-2y = (13-2) y=11y.

4) m+29m = (1+29) m=30m.

5) 98p-p = (98-1) p=97p.

6) 17k+k = (17+1) k=18k.

7) 4x+13x+15x = (4+13+15) x=32x.

8) 67z-18z+37 = (67-18) z+17=49z+37.

9) 35x+x-6=36x-6=6 (6x-1).