中2
加減法2 _3
連立方程式を解け
2x+3y=11 3x-4y=-9
x=1, y=3
3x-5y=8 4x+7y=-3
x=1, y=-1
4x-5y=-23 6x+11y=21
x=-2, y=3
6x-5y=-26 9x+4y=7
x=-1, y=4
15x-8y=46 6x+7y=-2
x=2, y=-2
7x-2y=8 4x-3y=-1
x=2, y=3
-7x+6y=-1 5x-8y=-3
x=1, y=1
-5x-6y=13 -3x+4y=23
x=-5, y=2
連立方程式を解け
8x+15y=-16 10x-6y=13
x=12, y=-43
12x-6y=7 8x+9y=-4
x=14, y=-23
4x-15y=12 14x+9y=1
x=12, y=-23
14x-18y=-15 6x-10y=-7
x=-34, y=14
-6x+15y=-2 10x+9y=-8
x=-12, y=-13
6x-6y=23 4x-9y=22
x=52, y=-43
8x-6y=-13 12x+4y=39
x=74, y=92
6x+15y=34 9x+12y=16
x=-83, y=103
解答 表示
x=1, y=3
x=1, y=-1
x=-2, y=3
x=-1, y=4
x=2, y=-2
x=2, y=3
x=1, y=1
x=-5, y=2
x=12, y=-43
x=14, y=-23
x=12, y=-23
x=-34, y=14
x=-12, y=-13
x=52, y=-43
x=74, y=92
x=-83, y=103