QUESTION:
n + 3 = -7
ANSWER:

STEP-BY-STEP EXPLANATION:
First, Subtract 3 from the both sides of the equation

Last, Subtract 3 from - 7

hope it's helps
Answer:
20
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
If x = 5,
4x=4*5=20
15+x=15+5=20
They're both the same.
Answer:
2n(8n + 5)
Step-by-step explanation:
you need to see what you can take out of both the numbers.
ex they both have an 'n' and they both are divisible by 2