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HACTEHA [7]
3 years ago
12

Determine whether the given ordered pair is a solution of the system.

Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0

Answer:

a) yes

Step-by-step explanation:

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Marlena solved the equation 2x + 5 = –10 – x. Her steps are shown below.
Strike441 [17]

Step-by-step explanation:

marlena steps should look like this:

2x + 5 = -10 - x

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2x = -15 - x

(add x to both sides)

3x = -15

(divide by 3)

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5 0
3 years ago
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What is (2x +10) + 3x+15)
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Answer:

Factoring answer-

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simplify answer-

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ElenaW [278]
I need points sorry about this
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igor_vitrenko [27]

Answer:

a = 8

Step-by-step explanation:

45° - 45° - 90° triangle

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