- Letx¼first odd integer andxþ 2 ¼second odd integer; then
xþxþ 2 ¼ 48
2 xþ 2 ¼ 48
2 xþ 2 2 ¼ 48 2
2 x¼ 46
21 x
21
¼
46
2
x¼ 23
xþ 2 ¼ 23 þ 2 ¼ 25
- Letx¼one number and 30x¼the other number; then
xð 30 xÞ¼ 6
x 30 þx¼ 6
2 x 30 ¼ 6
2 x 30 þ 30 ¼ 30 þ 6
2 x¼ 36
21 x
21
¼
36
2
x¼ 18
30 x¼ 30 18 ¼ 12
LESSON 9 Solving Number Problems 97