Question

Solve the equation : \[\frac{ b +2 }{3 }-\frac{ b -2 }{ 7}=2\]
A. 5.1
B. 5.5
C. 6.0
D. 6.5

Answer 1

@jim_thompson5910

Answer 2

\[\large \frac{ b +2 }{3 }-\frac{ b -2 }{ 7}=2\]

\[\large 21*\frac{ b +2 }{3 }-21*\frac{ b -2 }{ 7}=21*2\]

\[\large 7(b +2)-3(b -2)=42\]

\[\large 7b +14-3b + 6=42\]

I'll let you finish

Answer 3

im pretty sure the answer is A

Answer 4

no it's not, but it's close

Answer 5

So it B ? it cause when i place them in its doesnt add to 42 :(

Answer 6

yeah it's 5.5