Odpowiedzi

2010-03-15T13:13:44+01:00
2×2x-5-1×x-6y=2× x+y
1×3x-1+2×2y-5=10x+y

4x-5-x-6y=2x+y
3x-1+4y-5=10x+y

4x-x-6y-2x-y=5
3x+4y-10x-y=5+1

x-7y=5/×7
-7x+3y=6
7x-49y=35
-7x+3y=6

-46y=41/÷(-46)
y=-41/46


x-7y=5/×3
-7x+3y=6/×7
3x-21y=15
-49x+21y=42
-46x=57/:(-46)
x=-57/46