Math Word Problems Demystified - A Self Teaching Guide

EXAMPLE:Solve forx:x
 7 ¼ 9

SOLUTION:

x
 7 ¼ 9

x
 7 þ 7 ¼ 9 þ 7 add 7 to both sides

x¼ 16

EXAMPLE:Solve forx:xþ 8 ¼ 10

SOLUTION:

xþ 8 ¼ 10

xþ 8 
 8 ¼ 10 
8 subtract 8 from both sides

x¼ 2

EXAMPLE:Solve:

x

4

¼ 5

SOLUTION:

x

4

¼ 5

41

1



x

41

¼ 4  5 multiply both sides by 4

x¼ 20

EXAMPLE:Solve: 6x¼ 42

SOLUTION:

6 x¼ 42

61 x

61

¼

42

6

x¼ 7

70 REFRESHER IV Equations