SOLUTION: use the equations from part a and part b as a system of equation, use the substitution method to determine how many of each floor plan is avaialble x + y = 56 x + 3y = 56 descri

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Question 387790: use the equations from part a and part b as a system of equation, use the substitution method to determine how many of each floor plan is avaialble
x + y = 56
x + 3y = 56
describe steps
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
1.x%2By=56
2.x%2B3y=56
You can re-write eq. 2,
x%2By%2B2y=56
Substitute,
%2856%29%2B2y=56
2y=0
highlight%28y=0%29
Then from eq. 1,
x%2B0=56
highlight%28x=56%29