Solve each system. Explain why you chose the method you used.
To find: the solution and identify which method is used to solve it.
Answer to Problem 12P
In order to solve two systems we used substitution method, as in second equation y has -1as coefficient.
We have one solution,
Explanation of Solution
Given information:
Calculation:
In order to solve two systems we used substitution method, as in second equation y has -1
Coefficient as:
Replace
Replace
We have one solution,
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