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3 years ago

Solve −2x − 15 = 6x + 9. (1 point) 3 −3 −1 6

Mathematics

1 answer:

kirill [66]3 years ago

3 0

Answer:

-2x-15=6x+9

-2x-6x=9+15

-8x=24

x=-24/8

x=-3

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4b+3=−9 i need help it is inportant

Fantom [35]

Answer:

b=-3

Step-by-step explanation:

4b+3=-9

-3 -3

subtract 3 from both sides like so. 3-3 cancels out. -9-3=-12.

4b=-12

youre left with 4b=12 so DIVIDE 4b by 4 and -12 by 4

4b/4=-12/4

4b divided by 4 is 1. -12 divided by 4 is -3

b=-3

plug -3 in for b to make sure its correct

4(-3)+3=-9

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Answer:

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3 years ago

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Aleks04 [339]

Answer:

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1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064

Step-by-step explanation:

A perfect number is one whose divisors total the number itself. Only 51 perfect numbers are known at this time. The first five are ...

6, 28, 496, 8128, 33550336

The fourth perfect number is 8128. Its divisors (excluding the number itself) are ...

1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064

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