Opuść nawiasy i zredukuj wyrazy podobne
a)(3x - 2y + 1) + 2(x + 3y - 2) =...........................=..................
b)2(3x - y) - (5x - 2y) + 3(x - y) =.........................=................
c)3(a + 2b - 3c) - 2(a - 2c) + 5(c - b) - (a + b) =.............................=....
d)(5x - 2y) · (-3) + (3xy + 3x + y - xy) - 2xy =.....................=.......
e)-3a(2 - 5x) - (4x -6ax + 6 - 9a) - 2a(6x - 4) =...............=........
f)(-3) · (-2a + 3b - 4) - 4(a + 0,5b - 2) =.................=...............
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a)3x-2y+1+2x+6y-4=5x+4y-3
b)6x-2y-5x+2y+3x-3y=4x-3y
c)3a+6b-9c-2a+4c+5c-5b-a-b=b-4c
d)-15x+6y+3xy+3x+y-xy-2xy=-12x+6y
e)-6a+15ax-4x+6ax-6+9a-12ax+8a=11a+9ax-4x-6
f)6a-9b+12-4a-2b+8=2a-11b+20
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