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5(n+1) = 2n + 20 can someone tell me the answer and explain

Sagot :

TheMicasidn

Answer:

n=15

Step-by-step explanation:

5(n+1)=2n+20

U start by expanding the first term which will give you 5n+5

Then after that u collect like terms giving u

5n-2n=20-5

Finally u evaluate it giving u

n=15
First we have to expand 5(n + 1)
Meaning we have to multiply everything in the bracket by 5. That would mean 5n + 5.

Now we have 5n + 5 = 2n +20

Subtract 2n from both sides to get rid of the 2n on the right

So you will have 3n + 5 = 20

Now subtract 5 from both sides to get rid of the 5 on the left.

So you will have 3n = 15

Divide both sides by 3 to get n = 5

Answer is n = 5
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