№2
O`xshash hadlarni ixchamlang.
1) -3x + a – x – 5a= 6) - 2,5y + 6k + 8,5y +2k=
2) - 9x – 2y – x + 14y +4,6= 7) 4a + 3,1b - 5,2a – 6 – 3,4b=
3) 5∙(-3a + 2) - 3∙(-5a + 4)= 8) -2,1∙(-a + 8) + 4,6∙(8a - 1)=
4) -5∙(-3 + 2p) + 7∙(3p + 8)= 9) 6,2∙(5 – 4p) - 3∙(3p - 8)=
5) (5a – 2b)∙4 - 7∙(3a - b)= 10) -1,5∙(2a - 5) - 8∙(1 - a)=
№3
Tenglamani.yeching:
№4
Ifodani soddalashtiring.
1) – (3a – 2b) – (6b – 5a)= 6) (6a – 3b) – (7b – 4a)= 11) 3a – (a + 2b)=
2) 7x+3y – (- 3x + 3y)= 7) 8x – (3x – 2y) – 5y= 12) 5x – (2y – 3x)=
3) 3m – (5m – (2m -1))= 8) 4a +(2a – (3a + 3))= 13) – (a – (2b + 3c))=
4) 3(2x+1) + 5(1+3x)= 9) 10(n+m) – 4(2m+7n)= 14) (5a – 2b) – (3b – 5a)=
5) 4(2+x) – 3(1+x)= 10) 11(5c+d) + 3(d+c)= 15) (6a – b) – (2a + 3b)=
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