To calculate:Solve the system of linear equations and check any solutions algebraically.
Answer to Problem 39E
The solutions for the given linear equations are
Explanation of Solution
Given information:
The given pair of linear equations are
Calculation:
These equations are of 4 variables. Let us isolate x from equation 1
From equation 1, we get,
Substitute x in all the other 3 equations to get,
Isolate y from the above first equation we get,
Substitute this y value in the other two equations above.
Isolate z for
Substitute this in the other equation,
From this we can get value for w,
Substitute this value to get z,
Substitute z and w value to get y value,
Substitute y,w to get x value.
Conclusion:
The solutions for the given linear equations are
Chapter 7 Solutions
EBK PRECALCULUS W/LIMITS
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