Solve by linear combination: 3x + 4y = 20 7x − 2y = −10 the solution is , ) if you dont understand this basically i need numbers that make sense for both equations that have share the same x number then a different number that but equations share for y.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

This question awards 100 ! i really don’t want to fail i will also mark you !

Your client has saved $1,860 for a down payment on a house. a government loan program requires a down payment equal to 3% of the loan amount. what is the largest loan amount that your client could receive with this program