Answer:
n = 2b + 4
Step-by-step explanation:
4 years older = +4
2 times his brother = 2b
n= 2b+4
A two step equation for what.<span />
Answer: First option is correct.
Step-by-step explanation:
Since we have given that

We need to find the correct difference.
Collect the like terms together.

Hence, First option is correct.
Answer:
If Mathis worked 12 hours, he would receive $72 total pay.
Step-by-step explanation:
