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babunello [35]
3 years ago
9

No need for explanation

Mathematics
2 answers:
ra1l [238]3 years ago
7 0

Answer:

x=7

Step-by-step explanation:

AysviL [449]3 years ago
5 0

Answer:

x = 7

Step-by-step explanation:

x + 2x + 69 = 90

3x + 69 = 90

3x = 21

x = 7

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Complete Question

The complete question is shown on the first uploaded image

Answer:

a

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b

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Step-by-step explanation:

From the question we are told that

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The generally solution is mathematically represented as

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Here e^c  =  C

=>     y = C  e^{9x}

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