0
2x-y=14, x=0
First, substitute 0 in place of x.
(2x0)-y=14
Multiply 2 times 0.
0-y=14
That gives you...
-y=14
Because we are solving for y, and y must be positive, divide each side by -1.
-y/-1=14/-1
And, our result...
y=-14
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