3x + 7 = x - 15
First, make sure to subtract

from both sides.
Second, simplify 3x - x to get 2x, and then keep the 7.
Third, subtract

from both sides.
Fourth, simplify -15 - 7 to get -22.
Fifth, take the 2 and divide both sides by it, keeping the

by itself.
Sixth, since 11 goes into 2 to get 22, simplify the fraction to 11.

Answer:
x = -11
Error identification is a type of competitive test where one needs to identify the grammatical errors in a sentence. Though termed as Sentence Correction, most often, problems in this topic need one to only classify sentence errors.
Answer: Something that is able to achieve a desired outcome or end result. A good solid argument that lets you convince others of your point
Explanation:.
Answer:
The answer is the 1st one: Characterization—the way the author describes his parents’ work lives