SOLUTION: 30x+50y-100=0
3x-15y-30=0
Algebra.Com
Question 124854: 30x+50y-100=0
3x-15y-30=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
30x+50y-100=0
3x-15y-30=0
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Rearrange and divide to get:
3x + 5y = 10
x - 5y = 10
----------------
x = 5y+10
Substitute to get:
3(5y+10) + 5y = 10
15y + 30 + 5y = 10
20y = -20
y = -1
----------
Substitute into x=5y+10
x = 5*-1+10 = 5
-------------------
Final answer: x= 5 ; y = -1
===========================
Cheers,
Stan H.
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