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

Create c++ programming language project about destination matchmaker

A shop has an event where 80 items are on sale. Each item is discounted by up to £60. a) Find the upper and lower quartiles of the discounts. b) Find the interq

What is 4 units away from (-6,2)

An appliance store sells 100 microwaves

X Simplify: x²+x OA) 1/3 X+1 3 O B) ¹/3x OC) (x + 1/3x) OD) x/3

1 of 6 Johnny's square bedroom measures 12 feet by 12 feet. If the area of his square closet is one-fourth the area of his bedroom, which of the following coul

When magnesium is burnt in air, a powdery ash X is formed, X on dissolving in water forms y.i)what are X and Y?

Choose the progressive The diplomats Choose 1 answer: (A) were working had been working had worked perfect form of the verb! all night to finish the treaty on t

A canoe travels 3 ¾ kilometers in ⅗ of an hour. What is the average speed of the canoe, in kilometers per hour?

A _____ _____ is a respresentation used to indicate electron sharing among several atoms.