Question

x+y=7,5x+12y=7
$x + y = 7.5x + 12y = 7$
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Answer 1

x+y = 7.5x+12y=7

x-7.5x+y-12y=7

-6.5x-12y = 7

-(6.5x+12y)=7

6.5x+12y= -7

Solve it further using formulas.

Thank You

Answer 2

Answer:

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