Question

Please solve
4/7=x+3/21

Answer 1

x = 159/4 = 39.75.

Answer 2

Cross multiply.

Answer 3

A.
x = 91

B.
33 3/4

C.
x = 15

D.
x = 9

Answer 4

Tell me what answer you get. @kk54

Answer 5

I got 3/7 but that's not one of the answer choices

Answer 6

I did exactly that.

Answer 7

\[\frac{ 4 }{ 7 }=x+\frac{ 3 }{ 21 }\]
\[\frac{ 3 }{ 21 } simplified~\to~\frac{ 1 }{ 7 }\]
\[\frac{ 4 }{ 7 }=x+\frac{ 1 }{ 7 }\]
\[subtract \frac{ 1 }{ 7 }\]
\[\frac{ 3 }{ 7 }=x\]

Answer 8

The answer is D.

x=9

Answer 9

Those answer choices dont make sense with that equation.

Answer 10

@vzfreakz is correct..!