Wykonaj działania i zredukuj wyrazy podobne :
a) -4x + (5x - 2y + 3)
b) (3a + 2b) + (-3a + b + 1)
c) 16x - (9x + 2y - 7)
d) (4a + 7b) - (2a + 3) + (a + 2b)
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a) -4x + (5x - 2y + 3)= -4x+5x-2y+3=x-2y+3
b) (3a + 2b) + (-3a + b + 1)=3a+2b-3a+b+1= 3b+1
c) 16x - (9x + 2y - 7)=16x-9x-2y+7=7x-2y+7
d) (4a + 7b) - (2a + 3) + (a + 2b) =4a+7b-2a-3+a+2b=3a+9b-3
a) -4x + (5x - 2y + 3)=
-4x+5x-2y+3=x-2y+3
b) (3a + 2b) + (-3a + b + 1)=3a+2b-3a+b+1=
3b+1
c) 16x - (9x + 2y - 7)=16x-9x-2y+7=7x-2y+7
d) (4a + 7b) - (2a + 3) + (a + 2b) =4a+7b-2a-3+a+2b=3a+9b-3