MATHEMATICS MIDDLE SCHOOL

-3x = 2x + 19 solve ​

Answers

Answer 1
Answer:

Answer:

x=-19/5

Step-by-step explanation:

-3x=2x+19

-3x-2x=19

-5x=19

x=19/-5
Answer 2
Answer:

Answer:

get x to one side by subtracting 2x from 2x+19

new equation:

-3x-2x=19

-5x=19

divide both sides by -5

x=-19/5

or x=-3 4/5

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8 (x-1) = 3 (3x-2)Please help, its due tomorrow!
Can someone plz help me with this
8x-2=-9+7x can you do it step by step

It took Bill 2 hours biking at a speed of 10 miles per hour to bike along a trail in town. If Bella is walking the same trail at a speed of 4 miles per hour, how long will it take her to complete the trail?

Answers

the trail is 20 miles    so it will take her 5 hours

Answer:

5 hours

Step-by-step explanation:

10*2=20

20 divided by 4 is equal to 5 so the answer is 5 hours

How do you do this ?

Answers

fg is 9 because 3 times 3 is 9
So the 3x means three times then u multiply by three

What is 8.2 in simplest form

Answers


It's really hard to write  the number  8.2  in any simpler form.

If you're required to express it as a fraction, then you might need to
take a second to consider whether it's in simplest form before you
hand it over.

As a fraction,  8.2  is  82/10, or  8 and 2/10, or  8 and 1/5 .

8 and 1/5 is in simplest fraction form.

As a decimal, there's no simpler form for  8.2 .
As a fraction simplest form would be 41/5

Sarah is buying a pair of jeans that regularly cost $60. They are on sale for 40% off. What is the sales price of the jeans?

Answers

The answer is $36. $60 - 40% = $36 (60•.40)

Solve the system using any method.
y = 3x + 2
y = 7x - 10

Answers

Answer:

x=3

y=11

Step-by-step explanation:

y = 3x + 2   equation 1

y = 7x - 10   equation 2

using equation 1 in equation 2 we have:

3x + 2   = 7x - 10

2=7x - 3x -10

2 = 4x -10

2+10 = 4x

12= 4x

12/4 = x

we have:

x= 3

using equation 1:

y = 3x + 2

y= 3(3)+2

y=9+2

y=11

Estimate the value as a product of a single digit and a power of 10. the one with () are exponets .... 906,000,000,000 A.9×10 (10)  B.9×10 (11)  C.9.06×10 (11) D. 9.06×10 (12)

Answers

The answer would be A. If it wasn't limited to a one digit number multiplied by a power of 10 then the answer would be 9.06*10^10, but the limitation requires a single digit leaving only the answer 9*10^10 because 10^10= 100,000,000,000. That multiplied by 9 would give you 900,000,000,000.
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