SOLUTION: Use substitution to solve each system of equations. 1.y=x x+=6 2.x+y=0 y=3 3.y=-3x x+y=8

Algebra.Com
Question 195589: Use substitution to solve each system of equations.
1.y=x
x+=6
2.x+y=0
y=3
3.y=-3x
x+y=8

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Use substitution to solve each system of equations.
1.y=x
x+=6
That makes no sense.
------------
2.x+y=0
y=3
--> x+3 = 0
x = -3
------------
3.y=-3x
x+y=8
x+(-3x) = 8
x-3x = 8
-2x = 8
x = -4

RELATED QUESTIONS

Use the substitution method to find all solutions of the system equations. 4. x^2 +... (answered by Fombitz)
1.Use the Substitution method to solve the system of equations. x + y = 10 y = x +... (answered by jim_thompson5910)
Solve each system of equations. Check by substitution x - y = 3 x + y =... (answered by MathLover1)
Use substitution to solve each system of equations. X=2Y Y=X-2 Thanks in... (answered by smallfry,elima)
solve each system of equations algebraically 1/x + 3/y = 6 2/x -1/y =... (answered by stanbon)
Use the substitution method to solve the following system of equations. (1) 3x + 4y = 8 (answered by ikleyn)
y=x+8 x+y=2 use substitution to solve each system of... (answered by jim_thompson5910)
Using Substitution to Solve Linear Systems of Equations 1. y= x -1 2x -y =0 2. x+y=... (answered by checkley71)
Solve each system of equations of substitution. 3x-y=8... (answered by ReadingBoosters)