SOLUTION: complete the ordered pairs so that each is a solution for the given equation. 3x+4y=12 - (0,),(,3/4),(0),(8/3,)

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Question 82422: complete the ordered pairs so that each is a solution for the given equation.
3x+4y=12 - (0,),(,3/4),(0),(8/3,)

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with (0,y)
Plug in x=0

Plug in x=0 (one of the given pairs)

Multiply



Divide both sides by 4

So we get one ordered pair (0,3)
---------------------------------------------------------------
Now lets work with (x,3/4)
Plug in

Plug in (one of the given pairs)

Multiply

Subtract 3 from both sides
Divide both sides by 3

So we get one ordered pair (3,3/4)
---------------------------------------------------------------

Now lets work with (x,0)
Plug in

Plug in (one of the given pairs)

Multiply


Divide both sides by 3

So we get one ordered pair (4,0)
---------------------------------------------------------------

Now lets work with (8/3,y)
Plug in

Plug in (one of the given pairs)

Multiply

Subtract 8 from both sides
Divide both sides by 3

So we get one ordered pair (8/3,1)
---------------------------------------------------------------

So to summarize, we have the ordered pairs as solutions:

(0,3), (3,3/4), (4,0), (8/3,1)

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