X-7-98+7X=3.2×5XX-7-98+7X=3.2×5X_数学解答

X-7-98+7X=3.2×5X
X-7-98+7X=3.2×5X

人气：426 ℃　时间：2020-02-05 21:55:29

解答

X-7-98+7X=3.2×5X
8X -105 =16X
8X = -105
X = -13.125( 或 - 13又1/8 )