SOLUTION: Find the solution sets of the following simultaneous equations, solving for x and y. (a) bx+y = a ax-y = b

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Question 155036: Find the solution sets of the following simultaneous equations, solving for x and y.
(a) bx+y = a
ax-y = b

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.bx%2By=a
2.ax-y=b
Add eq. 1 and eq. 2,
%28bx%2By%29%2B%28ax-y%29=a%2Bb
bx%2Bax=a%2Bb
x%28a%2Bb%29=a%2Bb
highlight%28x=1%29
From eq. 1,
1.bx%2By=a
b%281%29%2By=a
highlight%28y=a-b%29