Chaoticsss Chaoticsss

21-03-2020
Mathematics

contestada

2x + 3y = –19
–2x − y = 1

Respuesta :

yali81yolanda yali81yolanda

21-03-2020

The x both cancels out

So you’re left with 2y=-18 (add 3y to negative y and -19 and 1)

Divide by 2 and y equals -9

Plug in y to get x

2x + 3(-9) = -19

2x + -27 = -19

Add 27 to both sides

2x= 8

Divide by 2, x= 4

So x= 4 and y = -9

Answer Link

Otras preguntas

Select the equation of the line that passes through the point (2, 6) and is perpendicular to the line x = 4. y = 4 y = 6 x = 6 x = 2

Calculate the mass of a liquid with a density of 2.5 g/ml and a volume of 15ml

Which word in the sentence does the participle modify? Frieda, did you build that metal roof from recycled cans? A. Did B. Roof C. Cans D. Frieda

What are the two classifications of real numbers

The amount of rhubarb in the original recipe is 3 1/2 cups. Using what you know of whole numbers and what you know of fractions explain how you could triple tha

The name given to a body of land that is smaller than a continent and is surrounded by water

Is 244 a perfect square if so how

Is there a relationship between the different of the integers and the distance between them?

Simplify the following expression. 5(x + y) + 3(x - y)

Which of the following is NOT a responsibility of the vice president? a. serve as president of the Senate b. fulfill additional roles dictated by the president