Maryjmatha Maryjmatha

06-12-2016
Mathematics

contestada

Please help me with substitution! I'm terrible at it. :(
-3x+5y=-11
y=2x-5

Respuesta :

asianlove33224 asianlove33224

06-12-2016

-3x+ 5* 2x-5= -11
-3x+10x-5=-11
(-3x=10x=7)
7x-5=-6
(+5 on each end)
7x=-6
divide by 7

Answer Link

Otras preguntas

Which sentence in the first paragraph should be deleted? a. 1 c. 3 b. 2 d. 4 in the article The Seneca Falls Convention of 1848: American Women Join the Civ

The law of conservation of energy states that when one from of energy is converted into another , A-energy lost in the process B/No energy is lost in the proce

What is the recursive formula when given the explicit formula for the following geometric sequence?

what are some of the things from the transcontinental railroad

What is one way that Japan changed following World War II

Hola, Omar: Como tú no (1) venir a mi fiesta de cumpleaños, quiero contarte cómo fue. El día de mi cumpleaños, muy temprano por la mañana, mis hermanos me (2) u

What is 190.5% of 99? 15 pts!

if a sphere has a diameter of 12 units, what is the volume of half of the sphere?

The question is on the image! One question, please, I don't know how to do it...

Sam and Reagan are arguing about waves. Sam says that sound waves are transverse, but Reagan says they Are longitude. Who is right and why ?