How to Solve Systems of Linear Equations?

Graph both equations and find the intersection point

Use substitution to solve one equation for one variable, then substitute into the other equation

Use elimination to add or subtract equations and eliminate one variable

Multiply one or both equations first if needed to make coefficients match

Solve the resulting one-variable equation

Substitute the value back into one of the original equations

Check the solution in both equations

Write the solution as an ordered pair or as the values of all variables

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