9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3_数学解答

9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x 19.5-2x=27-5x 21+4x-x=36
9-3x-4x=4
27+5x-7x=3
7x-9x+26=10
10+x=4+2x
26.6-3x=29.9-6x
14.6+3x=18.8+x
19.5-2x=27-5x
21+4x-x=36

人气：414 ℃　时间：2019-11-23 09:42:22

解答

9-3x-4x=47x=5x=5/727+5x-7x=32x=24x=12 7x-9x+26=10 2x=16x=13 10+x=4+2x x=10-4x=6 26.6-3x=29.9-6x3x=3x=114.6+3x=18.8+x2x=4.2x=2.119.5-2x=27-5x 3x=7.5x=2.521+4x-x=363x=15x=5