### Home > CC4 > Chapter 1 > Lesson 1.1.1 > Problem1-10

1-10.

For each equation below, determine the value of y if x = 2. Homework Help ✎

Substitute 2 for x into each equation then follow the Order of Operations to calculate the value of y.

1. $y = 7 − 3x$

Let x = 2: y = 7 − 3(2)

2. $y = x^2 − 1$

y = 3

3. y = $\frac { 18 } { x }$

y = 9