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x+4=5/16(4x+4)
人气:218 ℃ 时间:2020-05-11 20:04:45
解答
x + 4 = (5 / 16)(4 x + 4)
x + 4 = (5 / 16)· 4(x + 1)
x + 4 = (5 / 4)(x + 1)
x + 4 = (5 / 4)x + 5 / 4
(1 / 4)x = 4 - 5 / 4
(1 / 4)x = 11 / 4
x = 11
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