ocduneh557 ocduneh557

22-01-2021
Mathematics

contestada

what is 2x+7y=3
x=-4y

Respuesta :

22-01-2021

2(-4y) +7y =3
-8y + 7y =3
-y=3
therefore y= -3

Answer Link

benjo8687 benjo8687

22-01-2021

2x+7y=3

2(-4y)+7y=3

-8y+7y=3

-y=3

Answer Link

Otras preguntas

Which type of annuity is the individual credited with a return that is based on changes in an index?

what is the answer to five time 20

When grandma rubs two-month-old gianni's cheek, he turns his head toward her hand. this is an example of the ____ reflex?

if (6,39) and (-5,-49) are two anchor points on the trend line, then find the equation of the line

Two positive integers have a sum of 14 and a product of 24 what are the integers ?

the expected remaining lifespan of the sun is thought to be about how many years ?

whats the purpose of a fitbit?

Alana and Petra go to a used book sale, where every book is the same price. Alana buys 5 books and Petra buys 4 books. they run into their friends Angus, who re

which of these would be the most reliable source to consult when creating a safe strength training routine?

Sulfuric acid dissolves in water as H2SO4 2 H+(aq) + SO2 -2(aq). Which of the following solutions of H2SO4 will conduct the most electricity? 1.0 M 1.0 N