rjxcxuvx59
rjxcxuvx59
11-02-2021
Mathematics
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solving systems of equations by subsitution
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TheRealMarinette
TheRealMarinette
11-02-2021
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.
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