Asked by Annabelle
How to solve a question with two variables?
X=3Y-6
20Y+35X=3795
X=3Y-6
20Y+35X=3795
Answers
Answered by
Steve
you know that x = 3y-6
So, use that in the other equation:
20y + 35(3y-6) = 3795
20y + 105y - 210 = 3795
125y = 4005
y = 32.04
Now use that to find x.
Odd, I expected an integer answer. Check for typos.
So, use that in the other equation:
20y + 35(3y-6) = 3795
20y + 105y - 210 = 3795
125y = 4005
y = 32.04
Now use that to find x.
Odd, I expected an integer answer. Check for typos.
Answered by
Annabelle
Thanks Steve! I couldn't figure out how to put the equations together.
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