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jolli1 [7]
2 years ago
6

Solve the equation shown for x. 2/3 x -4 1/2 = -8

Mathematics
2 answers:
Damm [24]2 years ago
5 0
X = - 21/4

2/3x - 4 1/2 = - 8
2/3x = - 8 + 4 1/2

- 8 + 4 = - 4. Then do - 4 + 1/2 = - 3 1/2

2/3x = - 3 1/2

- 3 1/2 is the same as = - 7/2

2/3x = - 7/2

Flip the coefficient on the variable and multiply both sides by it. 

(3/2)(2/3)x = - 7/2(3/2)

x = - 7/2(3/2)

x = - 21/4
liq [111]2 years ago
4 0
The answer would be -5 1/4
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I have a stamp collection. 70% of my stamps are Canadian and 30% are international. I have 500 more Canadian stamps than interna
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Add 0.7 × (equation 1) to equation 2:

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Divide equation 2 by 0.4:

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Subtract equation 2 from equation 1:

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Multiply equation 1 by -1:

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0 N+C = 875. |     (equation 2)

Collect results:

Answer: |  N = 375        and             C=875

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