What procedures
can be used to write and solve equations and inequalities

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie