Mathematics
Senior High
(4)が分かりません😢解説お願いします
4 次の円と直線の共有点の座標を求めよ。
(1) x+y=25, y=2x-5
(2) x+y=18, y=x
(3), x+y=1, y=x-1
(5) x+メ=4, y=x+2
(4) x+y°=2, y=x+2
(6) x+ y=2, y=-x
(7),x?+ y=5, y=-x+1
(8) x?+ y=18, y=-x+6
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