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.
How to solve a question with two variables?
X=3Y-6
20Y+35X=3795
2 answers
Thanks Steve! I couldn't figure out how to put the equations together.