SOLUTION: Solve by using the substitution method
x+y=56
x+3y=56
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Question 345586: Solve by using the substitution method
x+y=56
x+3y=56
Found 2 solutions by rfer, Fombitz:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
56-y+3y=56
2y=0
y=0
-----------------
x=56
-----------------
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
From eq. 1,
Substitute into eq. 2,
Then from eq. 1,
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