80x+25=100X快呀,今天要,

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80x+25=100X快呀,今天要,
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80x+25=100X快呀,今天要,
80x+25=100X
快呀,今天要,

80x+25=100X快呀,今天要,
100x-80x=25
20x=25
x=25/20
x=5/4

80x+25=100X
25=100x-80x
x=25÷20
x=1.25

80x+25=100X
25=100x-80x
25=20x
x=25÷20
x=1.25

80X+25=100X
25=20X

100X-80X=25 X(100-80)=25 20X=25 X=1.25