Move 2*N come the left, over previous the =. As soon as you relocate it to the other side, it changes it to a negative.

It i do not care N+5-2*N = 0.

You are watching: Twice a number increased by 5

Now take the 5 and move it end to the right past -2*N, however keep it to the left that the same sign. Because you are maintaining it to the left the the equal sign, it stays a positive number: N-2*N+5 = 0.

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

(1-2)*N+5 = 0

Solve the parenthesis (1-2) = -1

Now we have actually -1*N+5 = 0

We can now eliminate the extraneous -1 come get:

-N+5 = 0.

The prize is what negative number can we intake that will take far a optimistic number to same zero?

It would be the straight opposite the itself, bring about N = 5.

To check, input the answer earlier into the equation:

N+5 = 2*N

5+5 = 2*5

10 = 10

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