równanie metodą dowolną
4x=-5y+10
2x=6y+18
2x=6y+18 /*2
4x= -5y+10
4x=12y+36
-5y+10=12y+36
17y=-26
y= -26/17
4x= -5*(-26/17)+10
4x=130/17+10
4x=300/17
x=300/68
x=75/17= 4 7/17
4x+5y=10
2x-6y=18/*(-2)
-4x+12y=-36
17y=-26 //17
y=-26/17
4x+5*(-26/17)=10
4x-130/17=10
4x=10+130/17
4x=17 11/17|/4
x=300/17 / 4
x=300/17 * 1/4
x=75/17
Mam nadzieję, że pomogłam.
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4x=-5y+10
2x=6y+18 /*2
4x= -5y+10
4x=12y+36
-5y+10=12y+36
17y=-26
y= -26/17
4x= -5*(-26/17)+10
4x=130/17+10
4x=300/17
x=300/68
x=75/17= 4 7/17
4x=-5y+10
2x=6y+18
4x+5y=10
2x-6y=18/*(-2)
4x+5y=10
-4x+12y=-36
17y=-26 //17
y=-26/17
4x+5y=10
y=-26/17
4x+5*(-26/17)=10
y=-26/17
4x-130/17=10
y=-26/17
4x=10+130/17
y=-26/17
4x=17 11/17|/4
y=-26/17
x=300/17 / 4
y=-26/17
x=300/17 * 1/4
y=-26/17
x=75/17
y=-26/17
Mam nadzieję, że pomogłam.