Lawson is 77 and his grandson Prewitt is 25. How many years ago was Lawson 5 times

How do you use the elimination method for this question? explain, because i really want to understand!

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?