ugonna1992 ugonna1992

24-03-2021
Mathematics

contestada

Use elimination to solve for x and y:
5x + 4y = 23
x - 4y = - 5
O (3, 2)
O (2,3)
0 (7. – 3)
0 (7,3)

Respuesta :

alimkhubaib21 alimkhubaib21

24-03-2021

Step-by-step explanation:

5x+4y=23

= x+y=23-5-4

=x+y=14

l think this is correct!!!!!

Answer Link

TcScott17 TcScott17

24-03-2021

5x +4y=23
-5(x-4y=-5)

5x+4y=23
+(-5x+20y=25)

24y=48
y=2

Now plug y value into one of the equations and solve for x

X-4(2)=-5
X-8=-5
X=3

So the answer is (3,2)

Answer Link

Otras preguntas

Choose all that apply: What is needed on any proportional relationship graph? A. will not pass the vertical line test B. must go through quadrant I C. must go t

in wxy x=y, wx= 9x-11, xy= 4x-1, and wy= 7x-3, find x and the measure of each side

What are the zeros of this function? A. x = -6 and x = -4B. x = 0 and x = 4C. x = -6 and x = 5D. x = 4 and x = 6

Hey, I would really appreciate some help on this. 15 points! Pwwweaseeee? What helped Egyptians develop astronomy, mathematics, and engineering? A. Worshiping

help me pleaseeeeeeeeeeeeeeeeeee

I WILL MARK BRANIEST FOR CORRECT ANSWER AND HELPFULLNESS In paragraph 8, Wiesel makes the argument that “we must always take sides.” What does Wiesel mean by th

Does someone know how to solve this? 4x+7>23?

(GIVING BRAINILEST) The dot plots show the number of crackers per box for two different brands Which of he following statements is correct

Mr bell bought a freezer in a sale where all goods were 20% off. what was the original price of the freezer?

how to calculate the measure of center with an example question Calculate the measure of center for the data on the dot plot, rounding your answer to the neares