連立方程式L3-分数5(9問)
7x+110+2y-13=-72 8x+13+y-54=83
解答○ ×答: x=2 y=-7
2x-13-9y+25=6 x-36+3y+154=163
解答○ ×答: x=11 y=13
3x+52+7y+138=-112 5x-112-4y+518=-72
解答○ ×答: x=-7 y=1
-3x+228-4y-256=14 9x+1212-6y+38=-252
解答○ ×答: x=-18 y=-12
-3x+812+2y-118=-12 5x-129+3y+1312=-114
解答○ ×答: x=0 y=-10
3x-1014-5y-14=-172 -x+56+3y+58=73
解答○ ×答: x=15 y=9
8x-512-6y-1718=34 -2x+415-3y-16=43
解答○ ×答: x=-12 y=-53
3x-74-8y-36=-138 6x+124-4y-916=58
解答○ ×答: x=56 y=34
-3x-54-4y-73=1 3x+1318+4y+1124=76
解答○ ×答: x=-13 y=14
問題と解答
7x+110+2y-13=-72 8x+13+y-54=83 答: x=2, y=-7 2x-13-9y+25=6 x-36+3y+154=163 答: x=11, y=13 3x+52+7y+138=-112 5x-112-4y+518=-72 答: x=-7, y=1 -3x+228-4y-256=14 9x+1212-6y+38=-252 答: x=-18, y=-12 -3x+812+2y-118=-12 5x-129+3y+1312=-114 答: x=0, y=-10 3x-1014-5y-14=-172 -x+56+3y+58=73 答: x=15, y=9 8x-512-6y-1718=34 -2x+415-3y-16=43 答: x=-12, y=-53 3x-74-8y-36=-138 6x+124-4y-916=58 答: x=56, y=34 -3x-54-4y-73=1 3x+1318+4y+1124=76 答: x=-13, y=14
