Solve for and in terms of and in the equations
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Originally Posted by lilikoipssn Solve for and in terms of and in the equations From the second equation it follows that y = b - x. Substitute this into the first equation:
2x + 3(b - x) = a.
Now expand and solve for x.
Once you have x, substitute it into y = b - x and solve for y.
From the second equation, we have : x=b-y
Then if we replace it in the first one, we get :
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