Seudónimo Seudónimo
  • 25-10-2016
  • Mathematics
contestada

HELP ME PLZ!!!!!!!!     

 Find the solution of this system of equations.

5x - 6y = -90 and

-10x - 6y = -90

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-10-2016
set equal to each other since both equal 90

5x-6y=-10x-6y
add 6y to both sides
5x=-10x
x=0


5(0)-6y=-90
-6y=90
divide by -6
y=-15

(x,y)
(0,-15)
Answer Link

Otras preguntas

to find the area of a rectangle, is it supposed to go area=lxw?
(8-2i)(5+i) A.38-18iB. 38C. 40+2iD. 42-2iE. 42
Which one of the following terms is most closely associated with interjections? A. Action B. Emotion C. Qualification D. Description
Perform the operations, multiply, and simplify.-a^3b (3a^2 b^5 - ab^4 - 7a ^2 b)
A ball falls, rebounds to 72% of its previous height and falls again. After two bounces, the ball reached a height of 25cm. From what height was the ball droppe
I need help with the following three physics problems please!
Represent 23/-4 on number line
Is it true that there a little man on the moon ? is it true
what does 'blow by blow' mean?
how many days are really in a year