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liq [111]
4 years ago
11

Subtract (8+7i)-(-2-i)

Mathematics
1 answer:
Ulleksa [173]4 years ago
8 0

Answer: 10+8i

Step-by-step explanation:

To subtract the expressions, you would first need to distribute the -1.

(8+7i)-(-2-i)           [distribute -1]

8+7i+2+i               [combine like terms]

10+8i

Now, we have the subtracted answer 10+8i.

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Step-by-step explanation:

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3 years ago
| 2p -1 | =45, what are the values of p?
Alex73 [517]

Answer:

p = 23       and p = -22

Step-by-step explanation:

| 2p -1 | =45

Absolute value equations have 2 solutions, one positive value and one negative

2p-1 = 45    and 2p-1 = -45

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2p-1+1 = 45+1    and 2p-1+1 = -45+1

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