帮忙解答4/9x=(x-18)-17

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帮忙解答4/9x=(x-18)-17帮忙解答4/9x=(x-18)-17帮忙解答4/9x=(x-18)-174/9x=(x-18)-174/9x=x-18-174/9x-x=-35-5/9x=-35x

帮忙解答4/9x=(x-18)-17
帮忙解答4/9x=(x-18)-17

帮忙解答4/9x=(x-18)-17
4/9x=(x-18)-17
4/9x=x-18-17
4/9x-x=-35
-5/9x=-35
x=63

9x为分母 4=9x(x-35)=9x^2-35x 9x^2-35x-4=0 (9x+1)(x-4)=0 x=4 x=-1/9
4/9为系数4x=9(x-35)=9x-315 5x=315 x=63

-5/9x=-35等号两边同时去掉负号(负×正=负),5/9x=35
x=35÷5/9
x=63