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Mathematics 18 Online
OpenStudy (anonymous):

System of Linear Equations -- Substitution Method: 2x+3y=5 4x-y=17

OpenStudy (anonymous):

Solve the second equation for y and substitute it into the first. i like to use the 2nd equation in this case because y is already by itself.

OpenStudy (anonymous):

substitution method means you solve for one variable in terms of another. And substitute it into the other equation in order to an expression with only 1 unknown

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