SOLUTION: x+5y=29 4x+1oy=66

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Question 723532: x+5y=29
4x+1oy=66
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
x+5y=29
x=29-5y
4x+10y=66
4(29-5y)+10y=66
116-20y+10y=66
-10y=66-116
-10y=-50
y=-50/-10
y=5 ans.
x=29-5*5
x=29-25
x=4 ans.
Proof:
4*4+10*5=66
16+50-66
66=66