iaagsoab iaagsoab

03-12-2020
Mathematics

contestada

Solve equations by using elimination
-4+5y= 13
X-5y=21
( , )

Respuesta :

maraki404 maraki404

03-12-2020

Answer:

y=17/5 ,x= 38

Step-by-step explanation:

-4+5y =13 add 4 both side

4-4+5y=13+4

5y=17

5y/5=17/5 y=17/5

x-5y=21

x-5(17/5)=21

x-17=21

x=21+17= 38

Answer Link

Otras preguntas

the perimeter of a rectangle with a length a and breadth 6

what is polorisation?

Which of the following groups cannot form a triangle? A. 4,8,5B. 3, 4，5 C. 6, 6, 12 D. 3, 3, 5

PLEASEEEEEEEEEEEEEEEEEEEEEEEEEE

Kelly’s dance recital is this weekend! They are setting up chairs in the auditorium, and there are six rows of 18 chairs set up. In the first four rows, two ch

help me pleasee e. simplify 3x + 9y + 2x f. simplify 7(3x + y) g. factor 12x + 8y

Question: Why did I learn English not fast ?

Write a point-slope equation for the line that passes through the point (-1, 4) and is parallel to the line given by y = 3x -1.

On the way home from work, a man is involved in a car accident that damages his cervical vertebrae and surrounding nerves. He becomes quadriplegic as a result.

whats the answer to this question