braxtonassad braxtonassad
  • 13-02-2017
  • Mathematics
contestada

-5x+y=-2
-3x+6y=-12
Solve by using substitution.

Respuesta :

vegaxie000
vegaxie000 vegaxie000
  • 13-02-2017
-5x+y=-2
y=5x-2

-3x+6(5x-2)=-12
-3x+30x-12=-12
27x-12=-12
27x= 0
x= (0/27)
x=0
-5(0)+y=-2
0+y=-2
y=-2 
Answer Link

Otras preguntas

You work at a clothing store, and your boss wants you to find out which type of shirt had the highest percentage of sales. You found that 13 out of 20 tank tops
Why did the Virginia Company give settlers the right to self-government?
Can water and pebbles form a solution?
do you know 3 prime numbers that equal 32
The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
how do you can you solve this problem 37 + y = 87; y =
what times what equal 16?
what times what equal 16?
Can water and pebbles form a solution?
rewrite the expression without using grouping symbols. -6(8+12)