I have homework and i dont understand it its called "Solving Systems of Equations by Elimination." The problem im stuck on is

8x+y=-16

-3x+y=-5

I need the answer and how to do it.

D'Naisa mixed her favorite shade of orange paint. She had 1 gallon of orange paint and added 2 quarts of yellow paint and 3 pints of red paint. How many quarts of paint did D'Naisa mix? 1 gallon = 4 quarts 1 quart = 2 pints

A map scale is 1 in. : 50 mi. two cities are 450 miles apart. how far apart are the two cities on the map?

Number is the closest. to the value of 167

What is the answer to 3 1/3 x 4

How can you prove a triangle is a night triangler Use the distance formula to see if at least two sides are congruent, Use the slope formula to see if any sides are perpendicular, Use the distance formula to see it all three sides are congruent Use

You are studying different function tools and begin working with this function y=-160-9 (x) Use the equation to answer the question y=-160-9 (x) What is the Y value when X equals - 13? y=-160-9 (x)

Why are some techers dont teach right and then complain that all ther students are faling

A baker sold blueberry muffins. he sold 20 more carrot muffins than blueberry muffins. He sold 3 times as many bagels as carrot muffins. How many bagels did he sell

A factory uses 3/4 of a barrel of raisins in each batch of granola bars. Yesterday, the factory used 1 1/2 barrels of raisins. How many batches of granola bars did the factory make yesterday?

Kia thinks she can make her new product for $5.80. She plans to sell for $12. what is her percent mark up?