Question

pozhaluista pomogite

naidite X iz proporcii :[6X-9] = 9

                                       8   =  0.5       

Answer 1

[6X-9]/8  = 9/0.5
[6X-9]=8*9/0.5
6X=8*9/0.5 +9
X=(8*9/0,5 +9)/6 = 25,5 - это ответ

Answer 2

sps

Answer 3

good luck!