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Solve the equation -10(n + 5) = 40 (PLEASE HELP)
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2 votes
Solve the equation
-10(n + 5) = 40
(PLEASE HELP)

Solve the equation -10(n + 5) = 40 (PLEASE HELP)-example-1
User Arthur Pereira
by
3.7k points

2 Answers

4 votes

Answer: -9

Explanation:

-10(n+5)=40

-10n-(-50)=40

-10n-(-50)+50=40+50

-10n=90

-10n/-10=90/-10

n= -9

User Eric Mamet
by
3.2k points
3 votes

Answer:

n = -9

Explanation:

-10(n + 5) = 40

expand the left side

- 10*n - 10*5 = 40

-10n - 50 = 40

Add 50 to both sides

-10n = 40 + 50

-10n = 90

Divide both sides by -10

n = -9

User Ulubeyn
by
3.7k points
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