The Ogburn School Pre-Algebra_Algebra Turning in your work! You must turn in your homework for credit. All Practice Work must include the Session Code, Time, Topic and Instructor name. Session Code: Alg0116 Session time: 3:30 Session Topic: Substitution Instructor: Mrs. Vega 1. What does substitution mean in math? 2. It is important to follow the Evaluate the following expressions using substitution: 3. (x + 5)² -y; x = -3 and y = 1 4. 3x + 4y²; x = -3 and y = -2 Practice work must be submitted within 7 days in order to receive credit for today's session!!! when using substitution. ⠀ :

Q: Simplify the following expressions.

A: Part a,Given,             24-6

Q: Substitution

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