It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting.
<h3>What is a sentence?</h3>
A sentence can be defined as a group of words that is typically made up of a subject and predicate, which are used by a writer to convey a logical information to his or her audience (readers).
In this scenario, a sentence which best accomplishes this goal is re-writing the given sentence as "It is difficult to say how accurate these devices are when used at home because most research on their effectiveness has been conducted in a laboratory setting" because the important information are still present in the new sentence.
You would first subtract 2 and 15 from both sides so you'll get -(3x+5)= -9 and then the negative would go into the 3 and 5 so it would be -3x-5 = -9 and then you'll add 5 to both sides then divide -3 to both sides so you'll get but since 2 negative make a positive your final answer is
