74.8k views
4 votes
Solve the equation for n
3(n-5) = -21

2 Answers

2 votes

Answer: n= -2

Explanation:

3(n−5)=−21

Divide both sides by 3.

n−5=

3

−21

Divide −21 by 3 to get −7.

n−5=−7

Add 5 to both sides.

n=−7+5

Add −7 and 5 to get −2.

n=−2

User Dulitha K
by
6.5k points
7 votes

Answer:

n=−2

Explanation:

Let's solve your equation step-by-step.

3(n−5)=−21

Step 1: Simplify both sides of the equation.

3(n−5)=−21

(3)(n)+(3)(−5)=−21(Distribute)

3n+−15=−21

3n−15=−21

Step 2: Add 15 to both sides.

3n−15+15=−21+15

3n=−6

Step 3: Divide both sides by 3.

User Raj Damani
by
6.5k points
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