SOLUTION: Solve by substitution: -4x - y = 4 x = y + 9

Algebra.Com
Question 970391: Solve by substitution:
-4x - y = 4
x = y + 9

Answer by amarjeeth123(569)   (Show Source): You can put this solution on YOUR website!
-4x - y = 4.........equation 1
x = y + 9...........equation 2
From 2 we get y=x-9
Substituting in 1 we get,
-4x-x+9=4
-5x=4-9
-5x=-5
x=1.
y=-8.

RELATED QUESTIONS

solve by substitution y=4x-9... (answered by Alan3354)
y=4x-9 y=-x+6 Solve a system by... (answered by checkley75)
solve by substitution x+y=-9... (answered by checkley71)
solve by substitution method x+y=-9... (answered by stanbon)
Solve the system by graphing.4x + 2y = 10 Solve the system by substitution. 3x – (answered by checkley71)
Solve by substitution 3x -y =-7 and x+ y =... (answered by checkley75)
solve by substitution 4x+3y=4.... (answered by mindy23)
solve by substitution 4x+3y=4... (answered by jim_thompson5910)
Please help me finish solving problem. Solve by the substitution method. 4x+3y= -9... (answered by stanbon)