The sum 30

The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers?

Correct answer:

a =  13
b =  16

Step-by-step explanation:

8a+5b=184 ab=3  8 a+5 b=184 ab=3  8a+5b=184 ab=3  Row281 Row1Row2 8a+5b=184 1.63b=26  b=1.62526=16 a=81845b=81845 16=13  a=13 b=16

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