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13 August, 16:40

Ways the answer to 12x-3y=3 and y=4x-1

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  1. 13 August, 18:39
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    Well first you want to be trying to solve for the same variable in both problems. Lets solve for Y.

    This means we must make both equations say " Y="

    first we subtract 12x from both sides of "12x-3y=3" which leaves us with

    -3y=3-12x and y=4x-1.

    you are basically going to merge the 2 problems by adding "1" to both problems and then subtracting "4x" from both as well as subtracting "y" from both. This gets rid of a variable in one problem and essentially puts in to the other in the process.

    This leaves you with - 4y=4-16x

    Can you solve from there?
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