Systems of equations w/ substitution?

Could someone help me on this problem?

y=6x+4

y=4x-2

I know we can pick ethier equation to solve, both I don't get it from there...help? Thanks in advance!!

1 Answer

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  • Anonymous
    9 years ago
    Favorite Answer

    You actually need both equations to solve it, you can subtract the second equation from the first 1

    y = 6x + 4

    -

    y = 4x - 2

    -------------------

    0 = 2x + 6

    then solve this one to get x,

    2x = -6

    x = -3

    substitute x in either equation to get y

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