Solve each system of equations using the method of substitution ot the method of elimination.
Answer to Problem 16RE
Explanation of Solution
Given information:
Solve each system of equations using the method of substitution or the method of elimination. If the system has no solution, say that it is inconsistent.
Calculation:
The given system of equations in three variables is given by the expressions given below.
The given system consists of three variables from which one of the variables is required to be removed from the equations. This can be done by multiplying first equations by
We can now obtain two equations in
Second equation from the first equation and by subtracting third equation from the first equation.
The given system of equations can be solved by the method of elimination. The first equation can be multiplied by 1 and second equation can be multiplied by 2 in order make the coefficient of
The equation can now be solved for
The value of
The value of
Hence, the solution of the given system of equation is
Chapter 11 Solutions
Precalculus
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