Expressions and Equations Pre-Test

No solution

One solution

Infinitely many solutions

None of the above

6v - 21

5v + 24

5v - 18

5v - 4

y = 48

y = 9

y = 60

y = 324

(2, 6)

(4, 10)

(6, 2)

(10, 4)

7x + 6 = 13

7x + 3 = 15

7x + 3 = 17

7x + 6 = 17

No solution

One solution

Two solutions

Infinitely many solutions

x = -4

x = -10

x = 10

x = 4

She combined the terms 3 and x.

She distributed 3 to the terms in the parentheses.

She combined like terms by adding them together.

She removed parentheses in order to isolate the variable.

15n + 3 = 117

15n + 3n = 117

15 + 3n = 117

15 = 117 + 3n