Please help with this word problem. I need to see step by step to understand it, not just the answer. I got the answer but I need to know how to solve it. Solve by substitution or elimination. Thanks

1) Tina Thompson scored 34 points in a recent basketball game without making any 3-point shots. She scored 23 times, making several free throws worth 1 point each and several field goals worth two points each.How many free throws did she make? How many 2-point field goals did she make?

2) A retired couple has $160,000 to invest to obtain annual income. Theywant some of it invested in safe Certificates of Deposit yielding 6%. Therest they want to invest in AA bonds yielding 11% per year. How muchshould they invest in each to realize exactly $15,600 per year?