Describe how to use the substitution method to solve a system of equations. Provide an example to support your explanation.

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asked Sep 22, 2020 43.8k views

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Christian Bekker · Answer 1 · 2020-09-29T02:59:39+0000

To use the substitution method, you must first find a variable that equals something. Ex. x=3y+4. Then you can plug that into your other system.
Ex. 3y+5x=17
Plugging the x in, it would turn into 3y+5(3y+4)=17. Then you would solve for y.

Describe how to use the substitution method to solve a system of equations. Provide an example to support your explanation.

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