Question

5=(x/3) (1/8 - 1/7) is type of question
how does it end up as 5=#x
shoudn't it be 5=x/#

Answer 1

5=(x/3)(7-8)/(7*8)
x/3=-1*56
x=-168

Answer 2

Did you subtract correctly?
\[\frac{1}{8}- \frac{1}{7}=\frac{7-8}{7 \times 8}\]