SOLUTION: y=x and 3x +2y=20
solution:(4,4)
how did my text book come up with the solutions (4,4)
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Question 186259: y=x and 3x +2y=20
solution:(4,4)
how did my text book come up with the solutions (4,4)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y=x
3x+2y=20
Replacex with y in the second equation & solve for y.
3y+2y=20
5y=20
y=4 ans.
4=x
x=4 ans.
Proof:
3*4+2*4=20
12=8=20
20=20
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