連立方程式(A=B=C 3)
連立方程式を解け
3x+5=-4y+3=-2x-8y+74x+3=-3y+11=4x-15y-72x-5=-2y-13=7x+3y-9-2x+3=4y-9=5x+6y-213x-2y+1=5x-4y-7=-7x+3y+6-4x+9y+2=8x+6y+24=-4x+15y+183x+7y-10=x+5y+2=-3x-4y-245x-3y+9=4x-6y-15=14x+2y-67x+8y+5=-2x+5y-4=-5x+3y-14x-9y+1=6x-12y+1=10x+6y+5-8x+7y+6=6x-5y+24=x-y+2112x+8y+9=9x+12y+1=-6x+8y-12