SOLUTION: Solve each problem. Use your choice of methods. x + y = -4 4x + y = -13 y + 3z = -10

Algebra ->  Equations -> SOLUTION: Solve each problem. Use your choice of methods. x + y = -4 4x + y = -13 y + 3z = -10       Log On


   

Question 44351: Solve each problem. Use your choice of methods.

x + y = -4
4x + y = -13
y + 3z = -10
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x + y = -4
Means:
y = -x - 4
Plug:
4x + y = -13
4x - x - 4 = -13
3x = -9
x = -3
Plug:
x + y = -4
-3 + y = -4
y = -1
Plug:
y + 3z = -10
-1 + 3z = -10
3z = -9
z = -3
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