Solve the following systems of linear equations by the elemination method show your solution. 1. 2x - 3y = -15
x + 2y = 10

2. 3x - 5y = -19
2x + 3y = 0

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Having a hard time understanding this question (see attachment).