Question

1. which of the following is a solution to the equation $3 - 4y = 19$?

a. $y = -19$
b. $y = 20$
c. $y = 4$
d. $y = -4$

Explanation:

Step1: Isolate the variable term

Subtract 3 from both sides:
$3 - 4y - 3 = 19 - 3$
$-4y = 16$

Step2: Solve for y

Divide both sides by -4:
$\frac{-4y}{-4} = \frac{16}{-4}$

Answer:

d. $y = -4$