Question
Solve each system by substitution. Check your answers. $$\left\{\begin{array}{l}{x+y+z=2} \\ {x+2 z=5} \\ {2 x+y-z=-1}\end{array}\right.$$
Step 1
$$ Show more…
Show all steps
Your feedback will help us improve your experience
Vikash Ranjan and 78 other Calculus 1 / AB educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Solve each system by substitution. Check your answers. $$ \left\{\begin{array}{r}{5 x-y+z=4} \\ {x+2 y-z=5} \\ {2 x+3 y-3 z=5}\end{array}\right. $$
Linear Systems
Systems with Three Variables
Solve each system. $$\begin{array}{r} x+y+z=2 \\ 2 x+y-z=5 \\ x-y+z=-2 \end{array}$$
Systems and Matrices
Systems of Linear Equations
Solve each system. $$\begin{array}{r} x+y-z=2 \\ x-2 y+z=5 \end{array}$$
Systems of Equations and Inequalities
Systems of Linear Equations in Three Variables
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD