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5a-5b
-4y+2x
-4x-7
-2a+1
b)2a-3b+3a-2b=
5a-5b
c)2y-6y+4x-2x=
-4y+2x
d)2x+3-6x-10=
-4x- 7
e)-x+2x+(-6)+x-4=
2x-10
f)2a-6-ab-(-3)=
2a-ab- 3
g)3x²-2y²-6x²-2y²=
- 3x²- 4y²
h)3,5b-2,4c-0,6c-0,5b=
3b-3c
i)3x²-2x+1+x-4x²-2=
-x²-x-1
j)2m²+3mn-n+mn+3n-m² =
m²+4mn +2 n
b)2a-3b+3a-2b = 5a - 5b
c)2y-6y+4x-2x = -4y + 4 - 2x
d)2x+3-6x-10 = -4x - 7
e)-x+2x+(-6)+x-4 = 2x - 10
f)2a-6-ab-(-3) = 2a + 3 - ab
g)3x²-2y²-6x²-2y² = -3x2 - 4y2
h)3,5b-2,4c-0,6c-0,5b = 3 b - 3c
i)3x²-2x+1+x-4x²-2 = -x2 - x -1
j)2m²+3mn-n+mn+3n-m² = m2 + 4mn + 2n
Pozdrawiam :)