## Solving Systems of Equations | Algebra | Chegg Tutors

Four methods for solving systems of equations are:
Graph every equation in the system and then use the graph to find the coordinates of the point(s) where the graphs intersect. The point of intersection is the solution. This method is not helpful when the solution is not integers.
Substitution: First solve one of the equations for a variable, and then substitute it into the other equation(s).
Elimination: Add equations together to eliminate variables, often by multiplying each equation by a constant so that the resulting coefficient of one of the variables is 0. This method is effective with systems of three or more variables.
Matrices: Create coefficient and constant matrices and solve with row reduction.

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About Becca R., Algebra tutor on Chegg Tutors:

Michigan State University, Class of 2013
Astrophysics major

Subjects tutored: Basic Science, Trigonometry, Basic Math, Algebra, GRE, Pre-Calculus, Pre-Algebra, Astronomy, Geometry, Astrophysics, and Physics

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I love to teach! During my years at Michigan State, I had the honor of tutoring and teaching algebra at the collegiate level for 4 years. Additionally, I was a TA for several physics labs. I’ve spent my free time advocating for public outreach; whether it’s performing chemistry demos at the Museum of Science & Industry in Tampa or giving star tours at Badlands National Park, you can expect a thorough, enthusiastic lesson!

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