求-6x-7=2x+1 4x+3(2x-3)=12-(x+4)

发布时间:2021-03-16 10:16:19

求-6x-7=2x+1 4x+3(2x-3)=12-(x+4)

网友回答

1,-6x-7=2x+1
8x = -8 x = -12,4x+3(2x-3) = 12 - (x+4)
4x+6x-9 = 12 -x -4
10x-9 = 8-x
11x=17
x=17/11
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