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Unformatted text preview: Step 2: Choose a pair of equations and add them to eliminate a variable. Step 3: Choose another pair of equations and add to eliminate the same variable as in step 2. Step 4: Solve the resulting system of two equations for both variables. Step 5: Substitute the values of the two known variables into any of the original equations and solve for the third variable. HW problem #5: x y + z = -4 3x + 2y z = 5-2x + 3y z = 15 Homework: p. 233 #1-16...
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