Math Word Problems Demystified - A Self Teaching Guide

(Marvins-Underground-K-12) #1
SOLUTION:

1

6

þ

1

3

¼

1

x

the LCD is 6x

61 x
1



1

61

þ

62 x
1



1

31

¼

6 x^1
1



1

x^1

clear fractions

xþ 2 x¼ 6 combine terms
3 x¼ 6

31 x
31

¼

6

3

divide by 3

x¼ 2

Try These


Solve each equation forx:


1.

x
2

þ

x
3

þ

x
4

¼ 26

2.

2

3


3

4

¼

5

8

3.

1

5

þ

1

6

¼

1

x

4.

1

2

ðx 3 Þ¼

2

3

5.

1

4

xþ 20 ¼

3

8

x

REFRESHER IV Equations 79

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