x+5=2x+3
x=2x+3-5
x=2x-2
2x-x=2
(2-1)x=2
x=2
x+10/2==2x+9/3
x+10/2==2x+9/3
數(shù)學(xué)人氣：131 ℃時(shí)間：2020-06-13 19:45:25
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