x=11y/6 ,x+25=17(y+25)/5 .x与y各是多少啊?
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![x=11y/6 ,x+25=17(y+25)/5 .x与y各是多少啊?](/uploads/image/z/1629945-9-5.jpg?t=x%3D11y%2F6+%2Cx%2B25%3D17%28y%2B25%29%2F5+.x%E4%B8%8Ey%E5%90%84%E6%98%AF%E5%A4%9A%E5%B0%91%E5%95%8A%3F)
x=11y/6 ,x+25=17(y+25)/5 .x与y各是多少啊?
x=11y/6 ,x+25=17(y+25)/5 .x与y各是多少啊?
x=11y/6 ,x+25=17(y+25)/5 .x与y各是多少啊?
带入x仅第二个等式,等式两边乘以6
有
11y + 150 = 102(y+25)/5
两边乘以5
有
55y + 750 = 102y + 2550
157y = 1800
y = 1800/157
x = 3300/157