SOLUTION: x+y=17 2x+4y=56
how did they get the answer 56?
Algebra.Com
Question 404080: x+y=17 2x+4y=56
how did they get the answer 56?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x+y=17
2x+4y=56
----
x+y = 17
x + 2y = 28
----
Subtract top from bottom and solve for "y":
y = 11
----
Solve for "x":
x + y = 17
x + 11 = 17
x = 6
--------
Cheers,
Stan H.
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