1. the value of the variable that makes an equation true
solution
the value of the variable that makes an equation true
x + 3 =
x = 9 6

2. to find the value of the variable
solve
to find the value of the variable

3. Multiplication Equations

4. The product of n and 3 equals 15.

5. The product of n and 3 equals 15.
3(5)
= 5
= 15

6. Solving Multiplication Equations

7. 5n = 10 5 5 n
= 2

8. 13x = 546 13 13 x
13(42)
= 42
= 546

9. Mrs. Johnson is 3 times as old as her daughter, Kathryn. If Mrs
Mrs. Johnson is 3 times as old as her daughter, Kathryn. If Mrs. Johnson is 36 years old, how old is Kathryn? 3k
= 36

10. 3k
= 36 3 3 k
= 12

11. 40 = 2.5x
2.5
2.5 16
= x x
= 16

12. 6a = 24
108 = 9x
0.7 ∙ h = 6.3 6 6 9 9
0.7
0.7 a
= 4 12
= x h
= 9 x
= 12

13. Complete #1−44 (even) on Student Text pp. 222−23.