Rozwiąż układy równań metodą przeciwnych współczynników:X-4y=43x-5y=-22x+3y=-53x+4y=-67x+8y=38x-5y=-39
X-4y=4/* -33x-5y=-2
-3x+12y=-12
3x-5y=-2
7y=-14/7
y=-2
3x-5*(-2)=-2
3x=-2-10/3
x=-4
2x+3y=-5/*3
3x+4y=-6/* ( -2)
6x+9y=-15
-6x-8y=12
y=-3
2x+3*( -3)=-52x=4/2
x=2
7x+8y=3/*58x-5y=-39 /*8
35x+40y=15
64x-40y=-312
99x=-297/99
x=-3
7x+8y=3
7* -3+8y=3
8y=3+21/8
y=4
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X-4y=4/* -3
3x-5y=-2
-3x+12y=-12
3x-5y=-2
7y=-14/7
y=-2
3x-5*(-2)=-2
3x=-2-10/3
x=-4
2x+3y=-5/*3
3x+4y=-6/* ( -2)
6x+9y=-15
-6x-8y=12
y=-3
2x+3*( -3)=-5
2x=4/2
x=2
7x+8y=3/*5
8x-5y=-39 /*8
35x+40y=15
64x-40y=-312
99x=-297/99
x=-3
7x+8y=3
7* -3+8y=3
8y=3+21/8
y=4