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1 vote
What is the answer for this?

What is the answer for this?-example-1

2 Answers

3 votes
3a+a-15=225. i believe that is the answer
User Unlimitednzt
by
6.0k points
3 votes

Answer:

3a+a-15=225

Explanation:

if b=a-15, the first step is to substitute.

3a+b=225

3a+(a-15)=225

User Runningriot
by
5.5k points