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

In the figure. d=4 yd, h=6 yd, and H=8 yd. What is the approximate volume of the figure? Use 3.14 to approximate

Prove: tan(x-y)+tan(y-z)+tan(z-x)=tan(x-y)tan(y-z)tan(z-x)

A ________ corporation is an enterprise made up of entities in more than one nation, operating under a decision-making system that allows a common strategy and

If ralph is 6 and his sister is half his age, how old will Ralphs' sister be when he's 100?

This type of animal tissue can be divided into two types, voluntary and involuntary. 1 epithelial 2 muscular 3 smooth 4 nervous

What is the rate of the reaction when the initial concentration of no is 0.400 m and that of br2 is 0.245 m ?

What Scandinavian peoples began to invade northern Europe in 835? The Huns The Tartars The Mongols The Vikings

Based on the internal evidence in the passage, which archetypal character does Carol most resemble? beautiful but vacuous woman intellectual dreamer saintly ref

Billy drops a water balloon from the roof of his house since the balloon begin with an original velocity of zero how far above ground was the balloon dropping i

Are these answers true or false