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Question 159726: rewrite 14x-7y=21 so that y is function of x
Answer by midwood_trail(310)   (Show Source):
You can put this solution on YOUR website! Rewrite 14x-7y=21 so that y is a function of x.
The statement "y is a function of x" means to write y with respects to x or better said to isolate y as it equals x on the other side of the equation.
To do so, we first subtract -14x from both sides.
Doing so, we now have this equation:
-7y = -14x + 21
To finally write y as a function of x, we divide both sides of the equation by -7.
y = (-14x + 21)/-7
y = 2x - 3
Easy, right?
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