X-7-98+7X=3.2×5XX-7-98+7X=3.2×5X

分类: 作业答案 • 2021-12-19 17:24:55

问题描述：

X-7-98+7X=3.2×5X
X-7-98+7X=3.2×5X

答

X=-13.125

答

x-7-98+7x=3.2×5x
x+7x-105=16x
8x-16x=105
-8x=105
x=-13.125

答

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