Question

The equation y=19x relates proportional quantities x and y. what is the value of x when y is 4?

Answer 1

Answer:  The required value of x is $\dfrac{4}{19}.$

Step-by-step explanation:  Given that the following equation relates proportional quantities x and y :

$y=19x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We are to find the value of x when y is 4.

To find the value of x, we must substitute y = 4 in equation (i) and find the corresponding value of x.

From equation (i), we get

$y=19x\\\\\Rightarrow 4=19x\\\\\Rightarrow x=\dfrac{4}{19}.$

Thus, the required value of x is $\dfrac{4}{19}.$

Answer 2

X = 36

simplify both sides of the equation, isolate the variable,