Mark M. answered • 11/19/14

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x = number of fish you caught

y = number of fish your friend caught

x + y = 36

Your friend caught 8 more fish that you did.

y = x +8

Using substitution,

x + ( x + 8 ) = 36

2x + 8 = 36

2x = 28

x= 14

You caught 14 fish, your friend caught 22 fish.

Mark M.

You're welcome!

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