prosze o pline rozwiazanie !!! na teraz !!!!! prosze i z gory dziekuje. ; *
a) (3x+5)+(7x-2y+6)+(-x+y-1)=.....
b) -(4a+2b-1)+(-3a-3b+4)-(6a+3)=...
c) -[-(3x+2y)]-(-2x-2y)+(-5x-3y)=...
d)6xy-(2xy+3y)+(-xy+4x-7y)=
zad.2
a. (3x-2y+1)+2 razy ( x+3y-2) = ..
b . (-3)razy (-2a+3b-4)-4razy (a+ jedna druga b - 2 ) = ...
c . ( 4x do potengi 2 + 1,5 x -2 ) razy (-2)+(-1,5) razy ( x do ponetgi 2 - 4x-1 ) =..
d. -5 razy ( 6ab -4b-2b+1) - 4,5 razy ( a-2ab+b-4) = ..
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a) 3x+5+7x-2y+6-x+y-1= 9x+-y+4
b)-4a-2b+1-3a-3b+4-6a-3=-13a-5b+5
c)-{-3x-2y}+2x+2y-5x-3y=3x+2y+2x+2y-5x-3y=y
d)6xy-2xy-3y-xy+4x-7y=3xy+4x-10y
a)3x-2y+1+2x+6y-4=5x+4y-3
b)6a-9b+12-4a-2b+8=2a+11b+20
c)-8x do drugiej-3x+4+1,5x do drugiej+6x+16=-6,5x do drugiej+3x+20
d)-30ab-20b-10b+5-4.5a+9ab-4,5b-18=-21ab-4,5a-34,5b-13