Question

linear equations w/ distribution (lev 1)
score: 1/2 penalty: 1 off
question
solve.
4(2y - 1) = 12
answer attempt 2 out of 2
y =

Explanation:

Step1: Expand the left side

$$4(2y - 1)=8y-4$$
The equation becomes $8y - 4=12$.

Step2: Add 4 to both sides

$$8y-4 + 4=12 + 4$$
$$8y=16$$

Step3: Divide both sides by 8

$$\frac{8y}{8}=\frac{16}{8}$$
$$y = 2$$

Answer:

$y = 2$