A.\(\dfrac{{ - 5}}{7}\)
B.\(\dfrac{5}{7}\)
C.\(1\)                                        
D.\( - 1\)

A.\(x = 8\)
B.\(x =  - 10\)      
C.\(x = 8\) hoặc \(x =  - 10\)                                                    
D.\(x = 80\)

A.\(A<B\)
B.\(A>B\)
C.\(A = B\)
D.Không so sánh được

A.\(x = 8\)
B.\(x = 10\)
C.\(x = 7\)
D.\(x = 9\)

A.\(x = 6\)
B.\(x = 9\)
C.\(x = 7\)
D.\(x = 8\)

A.\(x = \dfrac{1}{3}\)
B.\(x = \dfrac{2}{3}\)
C.\(x = 1\)
D.\(x = \dfrac{1}{2}\)

A.\(x = \dfrac{1}{3}\)
B.\(x = \dfrac{2}{3}\)
C.\(x = 1\)
D.\(x = \dfrac{1}{2}\)

A.\(C = 32\dfrac{2}{3}\)
B.\(C = 32\dfrac{3}{5}\)
C.\(C = 32\dfrac{{11}}{{15}}\)
D.\(C = 32\dfrac{{13}}{{15}}\)

A.\(B = \dfrac{1}{{10}}\)
B.\(B = \dfrac{4}{{45}}\)
C.\(B = \dfrac{1}{9}\)
D.\(B = \dfrac{7}{{90}}\)

A.\(A = 4000\)
B.\(A = 4200\)
C.\(A = 4500\)
D.\(A = 4800\)