October 2018 1 29 Report

Rozwiąż układy równań. Proszę !!!

a) 7x - 3y = 10
4x + y = 3


b) 1/3x + 1/4y = 23/12
2/3x - 3/2y = 37/6


c) 3(x+5)-4(y+3)=2(x+y)
2x-5(3+y)=4(2x+8)

d) 2(x+3)-3(x+y)=8
5x-3y=1

e)(x+3)(x+4)-(y+8)(y+1)=x(x+5)-y(y-4)
x+3y=0

f)4x(x+5)-8x(y+3)+4y(do potęgi 2 )=4(x-y) ( do potęgi 2)



Bardzo prosze o odpowiedź !


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