Б 1) 2c+d+ 5c = d + 2c+ +5cd+7c 2) a +29+2a +49= 3) 6s+2h+2s + 3 = 4) 5u+ 4 + 6 + 24 = 5) 3f+2g+2+f+8= 6) 23w-5w-6-p= 7) 5+x-6+1-x= 8) 18n+12m-5n-1= 9) 3a-4h+6a-4-8a= 10) 15d + k − 13 - d + 2 = 11) -c - c - c = 12) -x-2x + 5x = 13) -m - 3m + 2m= 14) -t-4t+3t = 15) -и – 8u + 10u =

Б

1. 2c + d + 5c = d + 2c + 5c = d + 7c
2. a + 2q + 2a + 4q = 3a + 6q
3. 6s + 2h + 2s + 3 = 8s + 2h + 3
4. 5u + 4 + 6 + 2u = 7u + 10
5. 3f + 2g + 2 + f + g = 4f + 3g + 2
6. 23w - 5w - 6 - p = 18w - 6 - p
7. 5 + x - 6 + 1 - x = 0
8. 18n + 12m - 5n - 1 = 13n + 12m - 1
9. 3a - 4h + 6a - 4 - 8a = a - 4h - 4
10. 15d + k - 13 - d + 2 = 14d + k - 11
11. -c - c - c = -3c
12. -x - 2x + 5x = 2x
13. -m - 3m + 2m = -2m
14. -t - 4t + 3t = -2t
15. -u - 8u + 10u = u