1 year ago

Find the value of a that makes the ordered pair a solution of the equation

Mathematics

1 answer:

alex41 [277]1 year ago

3 0

Answer:

a = 5

Step-by-step explanation:

assuming (a-1, 9) is in the form of (x,y):

9(a-1) - 5(9) = -9

9a - 9 - 45 = -9

9a = 45

a = 5

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