"> Question text Use your OWN words! Differentiate the three ways of solving systems of linear equations (in two variables).   Question text Consider the following system: x + y - z = -1 (Equation 1) 2x - 2y - 5z = 7 (Equation 2) 4x + y - 2z = 7 (Equation 3) We can eliminate x from  from Equations 1 and 2 by multiplying Equation 1 by _____(1)_____ and adding equations. We can eliminate x from Equations 1 and 3 by multiplying Equation 1 by _____(2)_____ and adding equations.    
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solving systems of linear equations

Question text Use your OWN words! Differentiate the three ways of solving systems of linear equations (in two variables).   Question text Consider the following system: x + y - z = -1 (Equation 1) 2x - 2y - 5z = 7 (Equation 2) 4x + y - 2z = 7 (Equation 3) We can eliminate x from  from Equations 1 and 2 by multiplying Equation 1 by _____(1)_____ and adding equations. We can eliminate x from Equations 1 and 3 by multiplying Equation 1 by _____(2)_____ and adding equations.    

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