9.54-4.74:(0.3x+0.49x)равно 8.94

Question

9.54-4.74:(0.3x+0.49x)равно 8.94

Answer 1

9.54-4.74/(0.3x+0.49x)=8.94

0.3x+0.49x=0.79x

4.74/0.79x=6/x

9.54-6/x=8.94

9.54x-6=8.94x

0.6x=6

x=10

 

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Answer 2

9,54-4,74:(0,3х+0,49х)=8,94

9,54-4,74:0,79х=8,94

-4,74:0,79х=8,94-9,54

-4,74:0,79х= -0,6

-6х= -0,6

х= -0,6:(-6)

х=0,1