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Yuliya22 [10]
2 years ago
15

X = 2y - 4 7x + 5y = -66

Mathematics
2 answers:
DedPeter [7]2 years ago
5 0

Answer:y=-\frac{7x}{5} -\frac{66}{5}x=-\frac{14x}{5}-\frac{152}{5}

madreJ [45]2 years ago
4 0

Answer:

Step-by-step explanation:

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2 years ago
3c-2(c+10)=7c-5(c+2)
jeka94

Answer: C= -10

Step-by-step explanation: First step: simplify both sides of the equation

3c−2(c+10)=7c−5(c+2)

3c+(−2)(c)+(−2)(10)=7c+(−5)(c)+(−5)(2) (Distribute)

3c+−2c+−20=7c+−5c+−10

(3c+−2c)+(−20)=(7c+−5c)+(−10) (Combine Like Terms)

c + -20 = 2c - 10

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Step 2: Subtract 2c from both sides

c - 20 - 2c = 2c -10 - 2c

−c−20=−10

Step 3: Add 20 to both sides

−c−20+20=−10+20

−c=10

Step 4: Divide both sides by -1

-c/-1 = 10/-1

C=-10

   

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2 years ago
Rue or False: Temperatures above-zero represent negative numbers. *
skelet666 [1.2K]

Answer:

False

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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