9sdik3kppv 9sdik3kppv

23-03-2021
Mathematics

contestada

If
x + 2y = 1
X– 2y = 13
then y =

Respuesta :

thebecks thebecks

23-03-2021

Answer:

y = -3

Step-by-step explanation:

x + 2y = 1 then x = 1 - 2y

x– 2y = 13

substitute for x:

1 - 2y - 2y = 13

simplify:

-4y = 12

y = -3

x = 7

Answer Link

Otras preguntas

FILL IN THE BLANK. HELPPPP!Weak bases react with _______ to form the hydroxide ion and the conjugate _______ of the base. Concentration in solution does not aff

A wheelchair ramp is to be built from the ground to the door sill along side a building. The cross section of the ramp is a right triangle with a base that is 1

Which is greater 1/8 or 1/3

Which statement best describes the U.S. Constitution? A. It is a document designed to set up a new U.S. government, written with Enlightenment ideology, includi

Dave delivered 52 newspapers all together on Saturday and Sunday. He delivered 8 more newspapers on Sunday than on Saturday. How many newspapers did Dave delive

Six pairs of socks cost as much as 1 coat, 2 pairs of jeans cost as much as 3 pairs of shoes, and 4 pairs of socks cost as much as one pair of jeans. How many c

Four numbers between -2.78 and -2.79

Republicanism is similar to the idea of representative democracy because both

Where did the plague of the fourteenth century originate? A. Africa B. South America C. the United States D. Asia

whst number is 20% higher than 30