中2
連立方程式 A=B=C 1
連立方程式を解け
x+2y+4 = 5x+4y-4 = 9
x=1, y=2
2x+y+3 = 2x+4y = 0
x=-2, y=1
-x+2y = 3x-4y = -1
x=-3, y=-2
3x = 5x-3y+2 = 15
x=5, y=4
3x+2y+4 = 4x-y+14 = 7
x=-1, y=3
-4x-2y+3 = 7x+y-21 = -3
x=3, y=-3
2x+2y-1 = -3x-2y-11 = -7
x=2, y=-5
5x+4y-2 = x+3y-9 = -19
x=-1, y=-3
連立方程式を解け
2x+3y = -2x+9y = 2
x=12, y=13
4x-6y = 8x-3y = -6
x=-12, y=23
8x+3y = -4x+6y-8 = 3
x=-14, y=53
12x+3y = 52x-13y-14 = -8
x=2, y=-3
52x-14y = 43x-32y+2 = 16
x=6, y=-4
34x-23y+1 = 23x-43y-1312 = 94
x=-1, y=-3
-23x+32y+14 = -34x-23y-2512 = 112
x=-2, y=-1
14x+43y+12 = 56x-29y-163 = -3
x=2, y=-3
連立方程式を解け
x+4 = 3x+4y = 2y+2
x=0, y=1
y = x+4y-2 = 2x+3y
x=-1, y=1
2x+3y+1 = 3x+y = 2x-2y-14
x=-5, y=-3
4x+3y = 2x+7y = -3x+4y+26
x=4, y=2
x-y+3 = 5x-8y = 4x-18
x=6, y=3
3x-2y = 5x+8 = 2y+9
x=-1, y=-3
8x = -3x-2y+20 = x+y+15
x=2, y=-1
2x+4y = x+3y-4 = 3x-2y-17
x=-1, y=-3
解答 表示
x=1, y=2
x=-2, y=1
x=-3, y=-2
x=5, y=4
x=-1, y=3
x=3, y=-3
x=2, y=-5
x=-1, y=-3
x=12, y=13
x=-12, y=23
x=-14, y=53
x=2, y=-3
x=6, y=-4
x=-1, y=-3
x=-2, y=-1
x=2, y=-3
x=0, y=1
x=-1, y=1
x=-5, y=-3
x=4, y=2
x=6, y=3
x=-1, y=-3
x=2, y=-1
x=-1, y=-3