Zredukuj wyrazy podobne:
a) 5a + (3a + 7b - 1) =
b) (5x - 10y - 3) + 5y =
c) (4b - 2a) + (136 + 18) - 20 =
d) 17a - (2b - 3a) =
e) 25x - (4x + 18y - 9) =
f) (2xy - 3x - 2) - (4xy - 3x + 1) =
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a) 5a+ 3a+ 7b-1= 8a+b-1
b) 5x-10y-3+5y= 5x-5y-3
c) 4b-2a+ 136+ 18-20= 4b-2a+134
d) 17a- 2b+3a= 20a-2b
e) 25x- 4x-18y+9= 21x-18y+9
f) 2xy-3x-2-4xy+3x-1= -2xy-3
a) 5a + 3a +7b - 1 = 8a +7b -1
b) 5x - 10y -3 + 5y = 5x -5y -3
c) 4b - 2a + 154 - 20 = 4b - 2a + 134
d) 17a - 2b +3a = 20a - 2b
e) 25x - 4x -18y+9= 21x -18y + 9
f) 2xy -3x-2-4xy+3x-1= -2xy -3