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2 years ago

-9(x+8)+81=13-10x what does x equal?

Mathematics

2 answers:

ankoles [38]2 years ago

7 0

The answer to the problem is x= -4

Aleks [24]2 years ago

5 0

Answer:

x = 5

Step-by-step explanation:

Use the distributive property.

-9x + -72 + 81 = 13 - 10x

Add -72 and 81.

-9x + 8 = 13 - 10x.

Cancel out the -9x

-9x + 9x + 8 = 13 - 10x + 9x.

8 = 13 - x

8 - 13 = 13 - 13 - x

-5 = -x

We can't have a negative x so negate the whole equation.

x = 5

Hope this helps

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Quincy was stuck inside during an afternoon rainstorm. He spent 20 minutes reading books, 18 minutes eating lunch, 12 minutes wa

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Answer:

The answer is B. He spent 3 minutes eating lunch for every 10 minutes.

Step-by-step explanation:

He spent stuck inside during the brainstorm for:

20+18+12+10= 60 minutes in total.

And now we want to know what he did for every 10 minutes he spent in the rainstorm. To do that we need to divide what he did for every 10 minutes by the total of minutes that he was stuck:

$\frac{10}{60} =\frac{1}{6}$

And now we can multiply the time of the activities by 1/6 to get the time he did each activity every 10 minutes.

Reading:

$20*\frac{1}{6} = 3.33$ minutes reading for every 10 minutes.

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$18*\frac{1}{6} = 3$ minutes eating for every 10 minutes.

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$12*\frac{1}{6} = 2$ minutes watching TV for every 10 minutes.

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$10*\frac{1}{6} = 1.67$ minutes drawing for every 10 minutes.

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Answer:

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Step-by-step explanation:

Use the distributive property.

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Answer: 3x + 12

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Answer:

Step-by-step explanation

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Step-by-step explanation:

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Simple...

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