Answer:
Step-by-step explanation:
- Identify Like Terms: <em>a</em> and <em>2a</em> are like
- Combine Like Terms: <em>a + 2a = 3a</em>
- Substitute to Form an Expression: <em>3a + 7</em>
Sincerely,
<em>Gigabyte</em>
Answer:
Yes,its true
Step-by-step explanation:
<h2>__________________</h2><h2>Consider, a number x</h2>
<h2>as per question</h2>
<h2>x+(-x) =x-x=0</h2><h2>__________________</h2>
Answer:
Step-by-step explanation:
Are you trying to find a variable expression? the product of 86 means multiplication so 86*n or 86n. Other than that I dont understand the question.