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EleoNora [17]
3 years ago
14

Does anybody know it part 2

Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0

Answer:

x = 33

Step-by-step explanation:

(x + 13) + (4x + 2) = 180

x + 13 + 4x + 2 = 180

5x + 15 = 180

5x = 180 - 15

5x = 165

x = 165/5

x = 33

Check:

(x + 13) + (4x + 2) = 180

(33 + 13) + 4(33) + 2 = 180

46 + 132 + 2 = 180

46 + 134 = 180

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Answer:

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Step-by-step explanation:

The question in English is

Ten years ago my son's age was 1\7 of the father's. Now his ages add up to 52. What is the son's age?

Let

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we know that

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Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

The solution is the point (14,38)

see the attached figure

therefore

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