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Korolek [52]
2 years ago
7

Five times a number that has been decreased by 2 is equal to 55

Mathematics
2 answers:
morpeh [17]2 years ago
8 0

Answer:

Step-by-step explanation:

5x - 2 = 55

5x = 57

x = 57/5

anzhelika [568]2 years ago
4 0

Answer:

5x - 2 = 55 \\ 5x = 55  + 2 \\ 5x = 57 \\ x =  \frac{57}{2}  \\ x = 28.5

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Solve the equation 4-2(x+7)=3(x+5) =
kumpel [21]

Hi there!


To solve this equation, I first would like to warn you about the long answer I am about to post for you. I'll be putting in very detailed steps for you, showing you how to simplify and distribute numbers, etc. :)


Let us solve your equation step-by-step.


Step 1) Simplify both sides of the equation.


To simplify this, we will...


4 + (-2) (x) + (-2) (7) = (3) (x) + (3) (5)


4 + - 2x + - 14 = 3x + 15


(-2x) + (4 + - 14) = 3x + 15


Now, we combine Like Terms...


-2x + - 10 = 3x + 15


-2x - 10 = 3x + 15


Fwew! That was probably going to be the longest step here!


Step 2) Subtract 3x from both sides.


- 2x - 10 - 3x = 3x + 15 - 3x


- 5x - 10 = 15


Step 3) Add 10 to both sides.


- 5x - 10 + 10 = 15 + 10


- 5x = 25


Step 4) Divide both sides by -5.


-5x/-5 = 25/-5


So, our final answer is x = -5.


Hope this helps!

Message me if you need anything else! I'd be happy to help! :D

8 0
2 years ago
Read 2 more answers
−62 − (−25)=<br> A) (-87)<br> B) (-37)<br> C) 37<br> D) 87
vaieri [72.5K]

The answer is B) (-37)


3 0
3 years ago
Read 2 more answers
How do I answer this question
Gnom [1K]
First you have to make it multiplication so you flip 5/2 around and the two “2’s” will cancel each other so it will be 17/5 or 3 2/5
6 0
3 years ago
I NEED HELP!!!!!!!!!!!!!!!!!!
ratelena [41]

Answer:

thats easy

Step-by-step explanation:

but thanks 4 the points

4 0
2 years ago
Somebody help me solve;
Nadya [2.5K]
P(at least 5 rolls until 1) = P(4 rolls are not 1) = 5/6 x 5/6 x 5/6 x 5/6 = 0.4823 (4sf)

Fewer than 7 rolls to get second 1 after first takes 3 rolls means second occurs on 4th, 5th or 6th roll
The probability of each of these is 1/6, 5/6 x 1/6 and 5/6 x 5/6 x 1/6 respectively.
P(second 1 on 4th, 5th or 6th roll) = 1/6 + 5/36 + 25/216 = 91/216 = 0.4213 (4sf)
3 0
1 year ago
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