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Test 111- Problem Solving (5 points each)
1. Check whether the ordered pairs (-1,-5). (2.9), (3,7), (4-5). (3.9), (5.10) are solution
of the equation -y = 4x + 7.​

Sagot :

Answer:

Step-by-step explanation:

To know if it is a solution, substitute the value of x in the equation. If the result is correct then it is a solution.

Example when you substitute x=3 you must get 7 for you to say that the ordered pair is a solution to the equation.

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