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May 26th

May 26th

# Solving Systems of Linear Equations By Substitution and Elimination

Directions: On the fol lowing worksheet , do problems 1-20. For problems
1-10, use the method of substitution . For problems 11-20, use the method of
elimination. Write all work neatly and readably on separate paper, and write
the answer in the given space on the worksheet. Also be sure to include any
unfinished classwork problems.

 Examples: a) Solve using the substitution method : Substitute 5 - x for y . Then substitute 2 for x and solve for y . The solution is 2,3. b) Solve using the elimination method : Multiply the second equation by 2 and then add . Then substitute 1 for y and solve for x . The solution is (- 4,1).

Solve.

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