Answer:
The coefficient of
is 3.
Step-by-step explanation:
The coefficient of an equation is the number that is multiplied by the varible. In this equation,
is being multiplied by 3, so the coefficient is 3.
Answer:
33%
Step-by-step explanation:
Answer:
y is also doubled.
Step-by-step explanation:
Direct proportionality between
and
means that

or
,
which indicates a linear relationship between
and
because they are related by a constant.
Therefore, if x is doubled, then the new value of
is 



The new value of
is 2 times the previous; therefore,
is doubled as
is doubled.
4n - 3 = 4 * 10 - 3 = 40 - 3 = 37
....
The answers are below:
{X = 6, Y = -3}
Note: The first image is how to solve for Y. The second image is how to solve for X.