SOLUTION: Solve the system by the method of substitution. 1/2x + 3/4y = 10 3/4x - y = 4

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Question 356540: Solve the system by the method of substitution.
1/2x + 3/4y = 10
3/4x - y = 4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1/2x + 3/4y = 10 --> 2x + 3y = 40
3/4x - y = 4 --> y = 3x/4 - 4
Sub for y in the 1st eqn.