How do you solve this system by elimination?

-3x+4y=12

2x+y=-8

I dont know how to solve it.

A floor plan for a home is shown below where 1/2 inch corresponds to 6 feet of the actual home. Bedroom 2 belongs to 13 year old Kassie, and Bedroom 3 belongs to 9 year old Alexis. Kassie claims that her younger sister, Alexis, got the bigger room.

Isaiah mows a lawn in 3 hours. What unit fraction would be used to convert this to the number of minutes it takes him to mow a lawn?

The area of the square bag is 81feet squared what is the length of any side

You want to order a pizza that costs $12.99 with no toppings. Each topping you choose costs $0.75. Which of these equations best shows the pricing of the pizza? 1. Pizza Price = 0.75 • Toppings - 12.99 2. Pizza Price = 0.75 • Toppings + 12.99 3.

Find all real numbers X such that 18x-9>9 or 2x-4>-10

The product of - 6 and the quantity of the sum of a number, x, and 8 is more than - 36. what are the possible solutions for the number?

A sample of midterm grades for five students showed the following results: 72, 65, 82, 90, 76. Which of the following statements are correct, and which should be challenged as being too generalized? a.

Is 9/16, 5/6, 48/100,0.67, and 0.0009999 closer to 0, 1/2, or 1 ...

Jerod is making candles from beeswax he has 132.72 ounces of beeswax if each candles uses 8.4 ounces of beeswax how many candles can he mak

A skateboarder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the average height change in height per second?