ct47583
ct47583 ct47583
  • 15-12-2016
  • Mathematics
contestada

3x+2y=-19
-3x-5y=25
solve for x and y

Respuesta :

averiefaith
averiefaith averiefaith
  • 15-12-2016
x= -5
y= -2
I didn't double check the answers by inputting them back into the equations, but if you want to then you can. Yet I am 99% positive my answer is correct.
Answer Link
bushra97naz
bushra97naz bushra97naz
  • 15-12-2016
add both equations;
3x+2y=-19
-3x-5y=25
o-3y=6
so,  y=6÷(-3)=-2
and for x  3x+2(-2) =-19⇒ 3x-4=-19⇒3x=-15⇒x=-5   
hope so it will help
Answer Link

Otras preguntas

Translate these English sentences to Spanish, thank you! :) no google translate 1. is he receiving it? 2. where do i receive it? 3. what do you receive? 4. why
- {8, 2.1, 145, 178, 3} which one is irrational
If the original square had a side length of x = 2 inches, then what is the area of the second rectangle? Show how you arrived at your answer.
Convert 251 lb/in to kg/m
Why is -2^3 = -8 and not 8? doesn't -2*-2*-2 equal to 8? thanks!
Find domain and range of 2x+3y=4
how might a micro historian and a comparative historian use different methods to study the topic
Write an inequality that represents the missing dimension x The area is greater than 12 square inches. The picture is a rectangle with 2 inches on the top and x
Read the source and answer the question. "We had buffalo for food, and their hides for clothing and for our teepees. We preferred hunting to a life of idleness
f(x) = 2x + 7;translation 4 right Write a function