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N76 [4]
3 years ago
9

Solve : 3x - 3 = 2x if you can show workings that would be great thank you !

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
5 0

Answer:

3

Step-by-step explanation:

3x-3=2x

3x-2x=3

x=3

denis23 [38]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

3x - 3 = 2x

-3x -3x

-3 = -x

The x cannot be a negative so you divide both sides by -1 and then the answer becomes x=3

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The distance from the school to the library is 12 miles. The distance from the school to the park is 75% of this distance. What
Yakvenalex [24]
9 miles, you dont even need much math, just common sense. divide 12 by 4 and you get three. multiply 3 by 3 to get 9. 
6 0
3 years ago
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Two cyclists leave city at same time, one going east and the other going west. The westbound cyclist bikes 3 mph faster than the
Bumek [7]

Speed of the east bound cyclist is 12 mph and the speed of west bound cyclist is 15 mph.

<u>Solution:</u>

Let us assume that x is speed of slower eastbound cyclist

So, x+3 will be the speed of faster westbound cyclist

We know that distance is the product of speed and time. That is,

\text{Distance}=\text{Speed}\times\text{Time}

West-bound DATA:

Rate of speed = x+3 mph ; Time = 6 hrs ; distance = 6(x+3) = 6x+18 miles

East-bound DATA:

Rate of speed = x mph ; time = 6 hrs. ; distance = 6x miles

On solving,

Distance apart = 162

\Rightarrow6x+18+6x = 162

\Rightarrow12x=162-18

\Rightarrow x=\frac{144}{12}\rightarrow x=12

So, the rate of speed of the east bound cyclist is 12 mph and the rate of speed of the west bound cyclist will be x+3=12+3=15 \text{ mph}

8 0
3 years ago
What is the solution to this equation:<br> X+7=-8
Brilliant_brown [7]

Answer:

\boxed {x = -15}

Step-by-step explanation:

Solve for the value of x:

x  + 7 = -8

-Subtract both sides by 7:

x + 7 - 7 = -8 - 7

\boxed {x = -15}

So, the value of x is -15.

3 0
3 years ago
6. Name the polygon. Write whether it is regular<br> or not regular
slamgirl [31]

Answer:

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Step-by-step explanation:

pls mark brainliest!

7 0
3 years ago
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lubasha [3.4K]
The factors of this expression would be (x+9)(x-2). You have to find two numbers that are factors of -18 that add up to 7. These numbers would be 9 and -2:
(9)x(-2)= -18
and 9 + (-2)= 7
Your answer is C) (x-2).
5 0
3 years ago
Read 2 more answers
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