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1.8乘5 4x 13点八解方程

等于6.4X=12.8 X=12.8/6.4 x=2

1.85x=2.1x 1.85x-2.1x=0 (1.85-2.1)x=0 -0.25x=0 x=0

移项:4x=13-84x=5x=5/4x=1.25

4x-7*8=44x-56=44x=4+564x=60 x=15

13.4-4x=1.8*313.4-4x=5.4 4x=8 x=2

解:4x+8=134x=13-8x=5÷4x=1.25

1.8乘15等于8x 用方程解答1.8*15=8x27=8xx=27÷8x=27/8

4x+5x=1.8+8.19x=10 x=10/9

8x+3x+5=10511x=105-511x=100x=100/11x=9又1/11

5.6x-4x=0.8 1.6x=0.8 x=0.5你好,本题已解答,如果满意请点右下角“采纳答案”.

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