SOLUTION: Solve this system of equations using the addition method. 4a - 5b = 7 4a + 5b = 17 type the correct answer in the ordered pair form,then press enter

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Question 1050587: Solve this system of equations using the addition method.
4a - 5b = 7
4a + 5b = 17
type the correct answer in the ordered pair form,then press enter

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
Add the two equations and see what happens.


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