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19 July, 23:48

Solve the following system of equations. express your answer as an ordered pair in the format (a, b) with no spaces between the numbers or symbols.

3x+4y=17

-4x-3y=-18

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  1. 20 July, 00:05
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    Answer: (3,2)

    Step-by-step explanation:

    For this set of system of equations, let's use elimination method to find x and y. Let's eliminate y first. In order to do so, the y values have to be the same. Therefore, you multiply the top equation by 3 and the bottom equation by 4.

    9x+12y=51

    -16x-12y=-72

    Now, we can add the 2 equations together for the y to cancel out.

    -7x=-21

    x=3

    Since we know x, we can plug it into any of the equations to find y.

    3 (3) + 4y=17

    9+4y=17

    4y=8

    y=2

    With out x and y value, we can put them into an ordered pair. (3,2)
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