怎样做:x-(5/1X-14)+(8/1X+5)=63
问题描述:
怎样做:x-(5/1X-14)+(8/1X+5)=63
答
两边同乘以40
40x-8(x-14)+5(x+5)=2520
40x-8x+112+5x+25=2520
40x-8x+5x=2520-112-25
37x=2383
x=2383÷37
x=2383/37