連立方程式(A=B=C 2)
連立方程式を解け
3x+2y=5x+4y+2=-2x-8y4x+3y=2x-3y-1=-6x-12y5x-6y=7x-3y-3=4x-9y2x+8y=6x+12y-7=x+14y3x-2y=5x-4y+8=7x+6y+4-4x+9y=8x+6y+28=12x-36y+103x+7y=5x+4y-24=9x+5y-445x-3y=8x-6y-18=14x+2y-57x+8y=-2x+5y+3=-11x+3y-44x-9y=6x-12y=8x+18y+11-8x+7y=6x-8y+6=x-2y+912x+8y=9x+14y-11=-9x+10y+13