5x+6-2+3x=2
8x=2-6+2
8x=-2
x=-2.5
當(dāng)x等于什么數(shù)時(shí),式子5x+6減去2-3x等于2
當(dāng)x等于什么數(shù)時(shí),式子5x+6減去2-3x等于2
數(shù)學(xué)人氣:699 ℃時(shí)間:2020-03-29 23:04:43
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