x÷2+6.25=3x怎么做

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x÷2+6.25=3x怎么做x÷2+6.25=3x怎么做x÷2+6.25=3x怎么做两边同时乘以2得:x+12.5=6x6x-x=12.55x=12.5x=12.5÷5x=2.5x/2+25/4=3x

x÷2+6.25=3x怎么做
x÷2+6.25=3x怎么做

x÷2+6.25=3x怎么做
两边同时乘以2得:
x + 12.5 = 6x
6x - x= 12.5
5x = 12.5
x = 12.5÷5
x = 2.5

x/2+25/4=3x
2x+25=12x
-10x=-25
x=2.5

x + 12.5 = 6x
6x - x= 12.5
5x = 12.5
x = 12.5÷5
x = 2.5