Math Word Problems Demystified - A Self Teaching Guide

(Marvins-Underground-K-12) #1

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  1. 3(x6)þ 10 ¼ 16

  2. 7(2x5)¼ 7 xþ 7

  3. 5(3x10)¼ 25

  4. 3(x8)¼2(xþ5)

  5. 4(3xþ2)¼ 10 x 14


SOLUTIONS:

1 : 3 ðx 6 Þþ 10 ¼ 16

3 x 18 þ 10 ¼ 16

3 x 8 ¼ 16

3 x 8 þ 8 ¼ 16 þ 8

3 x¼ 24

31 x
31

¼

24

3

x¼ 8

2 : 7 ð 2 x 5 Þ¼ 7 xþ 7

14 x 35 ¼ 7 xþ 7

14 x 7 x 35 ¼ 7 x 7 xþ 7

7 x 35 ¼ 7

7 x 35 þ 35 ¼ 7 þ 35

7 x¼ 42

71 x
71

¼

42

7

x¼ 6

76 REFRESHER IV Equations

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