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

Owning a swimming pool requires making sure that the pH of the pool water is between 7.0 and 7.6, because it is the optimal pH for

max is a function that accepts two int parameters and returns the value of the larger one. Two int variables, population1 and population2, have already been dec

A breeder of turtles calls to inquire about giving ivermectin he bought at the feed store to one of his turtles. The veterinarian advises NOT to administer iver

Rewrite the following equation in slope-intercept form. 18x − 19y = -20

What were the pyramids used for?

What is the relationship between liberty and faction?

The observed distribution of alleles into gametes is an illustration of _____.a Mendel's law of independent assortment onlyb Mendel's laws of segregation and in

I need help with this question please

Owning a swimming pool requires making sure that the pH of the pool water is between 7.0 and 7.6, because it is the optimal pH for

While moving horizontally at 3.5 x 103 m/s at an altitude of 2.0 x 104 m, a ballistic missile explodes and breaks into two fragments which fall freely. The smal