Question

what number increased by 5 gets two?

Answer 1

Answer:

Here is your answer :

Step-by-step explanation:

Answer is - 3

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Answer 2

Answer:

The problem: N+5 = 2*N

Move 2*N to the left, over past the =. When you move it to the other side, it changes it to a negative.

It becomes N+5-2*N = 0.

Now take the 5 and move it over to the right past -2*N, but keep it to the left of the equal sign. Since you are keeping it to the left of the equal sign, it stays a positive number: N-2*N+5 = 0.

Now that you have two N’s on the left of the equal sign, we can eliminate similar terms by turning one of them into a 1:

(1-2)*N+5 = 0

Solve the parenthesis (1-2) = -1

Now we have -1*N+5 = 0

We can now remove the extraneous -1 to get:

-N+5 = 0.

The answer is what negative number can we input that will take away a positive number to equal zero?

It would be the direct opposite of itself, leading to N = 5.

To check, input the answer back into the equation:

N+5 = 2*N

5+5 = 2*5

10 = 10