Question

Proszę o zrobienie chociaż połowe .

Answer 1

a) (x+2y-3)-(2x-3y+1)=x+2y-3-2x+3y-1= -x+5y-4

b) ( 2y-3x+4)-(2x-3y-2)= 2y-3x+4-2x+3y+2= 5y-5x+6

c) (x²-2x+3)-(2x²+3x-1)= x²-2x+3-2x²-3x+1=-x²-5x+4

d) (11x-2y)-(3x-5y)= 11x-2y-3x+5y= 9x+3y

e) (3x-2y+5z)-(x-5y-6z)= 3x-2y+5z-x+5y+6z= 2x+3y+11z

f) 21x²-(35x+12x²)-(14x-32x²)= 21x²-35x-12x²-14x+32x²= 41x²-49x

g) (2x-3y)-(5x+3y)= 2x-3y-5x-3y=-3x-6y

h) 6m-(2m+1)-(m-4)= 6m-2m-1-m+4= 3m+3

i) -(2x-3y+4z)-(5x-6y+7z)= -2x+3y-4z-5x+6y-7z= -7x+9y-11z

j) (-x²-5x+1)- (3x²+2y-4) = -x²-5x+1-3x²-2y+4=-4x²-5x+5-2y

k) (2x-1)+(3x-2)-(4x-6)= 2x-1+3x-2-4x+6= x+3

l) (-y+4)-(2y-1)+(3y+3)= -y+4-2y+1+3y+3= 8

m) (4a-5)- (5a+4)+(2a+1)= 4a-5-5a-4+2a+1= a-8

n) (x-5)-(2x-1)-(-x+4)= x-5-2x+1+x-4= -8

o) (x-4y+1)-(x+3y-4)+(3x-y+5)= x-4y+1-x-3y+4+3x-y+5= 3x-8y+10

p) (x-3y+1)-(x+2y-3)+(3x-y+2)= x-3y+1-x-2y+3+3x-y+2= 3x-6y+9

q) (x+2y-1)-(3x-y+5)+(2x-3y+4)= x+2y-1-3x+y-5+2x-3y+4= 2

r) (8x-y)-(3x+y)-(-5x-2y)=8x-y-3x-y+5x+2y= 10x

s) 0-(4a+b-1)-(-5-b+1)= 0-4a-b+1+5+b-1= -4a+5