02-01-2017
Mathematics

contestada

What is the solution to the system of equations below?
3x+4y= -2
2x-4y= -8
A:x=2,y=-2
B:x=6,y=-5
C:x=4,y=4
D:x=-2,y=1
D:

Respuesta :

xEngineerOrg xEngineerOrg

02-01-2017

If you add the two equations together, you'll get:
[tex]5x=-10[/tex], which gives x = -2.

Replace x = -2 in any of the two equations and you'll get y = 1.

So correct answer is D: x=-2,y=1

Answer Link

Otras preguntas

Please help!!Which decimal is equivalent to the mixed number plotted at S on the number line? A.5.625 B.5.78 C.5.8 D.5.875

put the word mechanical weathering into a sentence

A struggle or clash that drives the plot is known as __________. A. theme B. point of view C. conflict D. characterization

Which was a result of Europe’s settlement of North America?

give me 5 important facts about plagiarism

Hey i need your help i attached it thank you so much!!! it is compare and contrast

Determine the simple interest paid after 3 months on a loan of 9,700 dollars borrowed at an annual interest rate of 11%.

Can you explain to me in steps how to work this problem 4(2x-2)-4=4(x-5)+32

need answer fast What is the middle number when the numbers {2.3, –0.1, 1.9, –4, –3.2} are ordered from least to greatest?

carbohydrates provide the body with