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Question

Given These Equations
x+y=9.0
.50x+.20y=3.90

Find the values of X and Y.
13 years ago

Answers

Reiny
Would multiplying the 2nd equation by 10 to get

5x + 2y = 39 make it any easier?
13 years ago
Anonymous
10x+20y-30z
12 years ago

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