Solution Found!
cises 11–14.x1 –3x3 = 82x1 + 2x2 + 9x3 = 7 x2 + 5x3 = –2
Chapter 1, Problem 13E(choose chapter or problem)
QUESTION:
Solve the systems in Exercises 11–14.
\(\begin{aligned}x_{1}-3 x_{3}=& 8 \\ 2 x_{1}+2 x_{2}+9 x_{3}=& 7 \\ x_{2}+5 x_{3}=&-2\end{aligned}\)
Questions & Answers
QUESTION:
Solve the systems in Exercises 11–14.
\(\begin{aligned}x_{1}-3 x_{3}=& 8 \\ 2 x_{1}+2 x_{2}+9 x_{3}=& 7 \\ x_{2}+5 x_{3}=&-2\end{aligned}\)
ANSWER:Step 1 : We given the system of equations x1 + 0x2 - 3x3 = 8 2x1 + 2x2 +9x3 = 7 0x1 + x2 +5x3 = -2The system of equation can be return in the form AX = B Where A is the coefficient matrix , X is the column matrix of unknowns and B is the column matrix of constants.