THIS IS THE LAST QUESTION ON MY FINAL PLEASE HELP I WILL GIVE BRAINLIEST!!! Solve the following system of equations with any method.
step in the process
Show all work and explain your thinking for each
2x-10y=10
5x+9y=-9

What properties allow transformation to be used as a problem solving tool

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?