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Solving systems of equations by subsitution
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Solving systems of equations by subsitution

User MichaelStoddart
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Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for y: ...

Step 2: Substitute that equation into the other equation, and solve for x. ...

Step 3: Substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

User Jaskaran Singh Puri
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