Zad 1 :D
a) x+y=5
x-2y=-1
b) y-x=4
3(x+y)=24
Z góry dzięki dam naj za dobrze wykonane zadanie
a) x = 3 y = 2 3 + 2 = 53 - 2 x 2 = 3 - 4 = -1b) y = 6 x = 26 - 2 = 43 x ( 6 + 2 ) = 3 x 8 = 24 :) Mam nadzieję ze pomogłem :)
x+y=5 y-x=4x-2y=-1 3(x+y)=24
x=5-y y=4+x
5-y-2y=-1 3(x+4+x)=24
5-3y=-1 3(4+2x)=24
x=5- y=4+x
-3y=-1-5 12+6x=24
y=6/3=2 6x=24-12/6
x=5-2=3 x=2
y=4+2=6
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a)
x = 3 y = 2
3 + 2 = 5
3 - 2 x 2 = 3 - 4 = -1
b)
y = 6 x = 2
6 - 2 = 4
3 x ( 6 + 2 ) = 3 x 8 = 24
:) Mam nadzieję ze pomogłem :)
x+y=5 y-x=4
x-2y=-1 3(x+y)=24
x=5-y y=4+x
5-y-2y=-1 3(x+4+x)=24
x=5-y y=4+x
5-3y=-1 3(4+2x)=24
x=5- y=4+x
-3y=-1-5 12+6x=24
x=5-y y=4+x
y=6/3=2 6x=24-12/6
x=5-2=3 x=2
y=4+2=6