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Rashid [163]
3 years ago
15

5x + 2(x + 7) = 14x – 7. Find x

Mathematics
2 answers:
topjm [15]3 years ago
7 0

Answer:

1. x = 3

2. x = 6

3. not sure

Step-by-step explanation:

5x +2 (x+7) =14x -7

First expand the expandables

5x +2x +14 =14x-7

7x +14 =14x -7

14x -7x =14+7

7x=21 . Divide both sides by 7

x=3.

Yuki888 [10]3 years ago
4 0

Step-by-step explanation:

1. 5x +2x + 2*7 =14x-7

7x + 14 = 14x - 7

14 +7 = 14x - 7x

21 = 7x

21/7 =x

4 =x

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