Find the common denominator for these two rational numbers

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

100 points, hi, i’m not sure how to get the equation from the graph and table.