Systems of Equations

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Systems of Equations by Mind Map: Systems of Equations

1. Solving

1.1. Graphing

1.1.1. 1. Graph both lines in the same coordinate plane

1.1.2. 2. Identify the point where they interesect

1.2. Elimination

1.2.1. Steps

1.2.1.1. 1. Create equations with opposite coefficients for one variable

1.2.1.2. 2. Add the equations to eliminate a variable

1.2.1.3. 3. Solve for the variable

1.2.1.4. 4. Sub and solve for other variable

1.2.2. Algebraic Solution

1.3. Substitution

1.3.1. Steps

1.3.1.1. 1. Solve for a Variable

1.3.1.2. 2. Substitute expression in other equation

1.3.1.3. 3. Solve new equation

1.3.1.4. 4. Substitute number and solve