2.3 Solving Systems of Equations Using Substitution
Solve each system of equations using the substitution method. All answers will be whole numbers. Write your final answer as an ordered pair (x, y). Show your work for full credit.
Question 1
Short answer
Solve the system: y = 2x + 1 x + y = 10 Write your answer as an ordered pair (x, y).
Question 2
Short answer
Solve the system: x = y - 3 x + 2y = 15 Write your answer as an ordered pair (x, y).
Question 3
Short answer
Solve the system: y = 4x 2x + y = 12 Write your answer as an ordered pair (x, y).
Question 4
Short answer
Solve the system: x = 5y x + y = 18 Write your answer as an ordered pair (x, y).
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