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Simplifying Variable Expressions

Simplifying Variable Expressions. Lesson 2-3. Simplifying Variable Expressions. Review of Math Vocabulary: Term The combination/set of a number and variable(s) Like Terms Terms that have the SAME variable/set of variables Constant A number without a variable in its term Coefficient

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Simplifying Variable Expressions

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  1. Simplifying Variable Expressions Lesson 2-3

  2. Simplifying Variable Expressions Review of Math Vocabulary: • Term The combination/set of a number and variable(s) • Like Terms Terms that have the SAME variable/set of variables • Constant A number without a variable in its term • Coefficient The number IN a term, next to variable(s)

  3. Simplifying Variable Expressions Combining Like Terms: 5y + y *When you see a variable alone, it has an “invisible” 1 e.x. y = 1yg = 1g -f = -1f

  4. Simplifying Variable Expressions Combining Like Terms (cont.): 8a + 5a 3b – b -4m – 9m

  5. Simplifying Variable Expressions Combining Like Terms & Distributive Property: 4g + 3(3 + g) Steps: • Distribute • Combine like terms

  6. Simplifying Variable Expressions Combining Like Terms & Distributive Property: 6y + 4m – 7y + m 4x + 3 – 2(5 + x)

  7. Simplifying Variable Expressions Practice: • 8a + 7 – 11a b) 3(w + 3) + 4w c) 10 + 7k – 2(3k + 5)d) -7(2r – 1) + 3(8 – r)

  8. Homework p. 76 #11-16 all, 19-30 all

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