\(\dfrac{x}{2}=\dfrac{y}{5}=\dfrac{x+y}{2+5}=-\dfrac{14}{7}=-2\)
\(=>x=-4\)
\(=>y=-10\)

a.0

b.79
c.16400
d.10

\(\dfrac{x}{3}=-\dfrac{4}{6}=-\dfrac{2}{3}\)
\(x=\left(-2\right)\)

\(x+2=1\)
\(x=1\)

A

\(\dfrac{6}{100}=\dfrac{3}{50}\)|
\(\dfrac{54}{100}=\dfrac{27}{50}\)
\(\dfrac{185}{100}=\dfrac{37}{20}\)

B