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When using the Substitution Method to solve a system of equations, it is necessary to isolate a variable.
No solution.
The given system consists of equations of planes. Let's use the Substitution Method to solve this system of equations. When using this method, it is necessary to isolate a variable. In the third equation, it will be easier to isolate x.
(III): LHS+5y=RHS+5y
(III): LHS+3z=RHS+3z
(I), (II): x= 5+5y+3z
This time, 17z was isolated in the first equation. We can now substitute its equivalent expression into the second equation.
(II): 17z= -14-18y
(II): Remove parentheses
(II):Add and subtract terms
Notice that when we substituted the value of 17z into the second equation, we got a contradiction, 1≠4. This means that there is no solution to the system of equations.