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19 March, 20:18

How do you solve linear equations by subsitutions

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  1. 19 March, 23:08
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    1) First, solve one linear equation for y in terms of x.

    2) Then substitute that expression for y in the other linear equation.

    3) Solve this, and you have the x - coordinate of the intersection.

    4) Then plug in x to either equation to find the corresponding y - coordinate.
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