Algebraic Expression

Simplify each expression

2x + 5 + 3x + 6 =

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Answer explanation

Answer 5x + 11

Simplify this expression

3.4m + 2.4m

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Answer explanation

Answer: 5.8m

Simplify each expression

4.2n + 5 -3.2n=

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Answer explanation

Answer: n + 5

Simplify each expression

9y-3y=

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Answer explanation

Answer: 6y

Simplify each expression

5w-5w=

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Answer explanation

Answer: 0

3x − 5y

• Expression

• Equation

6y − 2z

• Expression

• Equation

Emma is planning a party and needs to buy some party candies. She has $25 to spend. Each candy costs $5, and she wants to buy n candies. Write an algebraic number to represent the amount of money Emma has after buying the candies. Is this an expression or an equation?

• It's an Expression
  25 - 5n

• It's an Equation
  25 = 5n

• It's an Equation
  25 - 5n = 0

• It's an Expression
  5n

You have an algebraic number that represents the total amount of money you will have after saving $15 each week, starting with $50. The number is 50 + 15w. Identify if this is an expression or equation and solve for the total amount of money if w = 4 weeks.

• Expression
  Total amount: $110

• Equation
  Total amount: $110

• Expression
  Total amount: $200

• Equation
  Total amount: $200

A rectangle's area is given by the algebraic number of 6w², where w is the width. Identify if this is an expression or equation and find the area if the width w = 2.

• Expression
  Area: 24 square units

• Equation
  Area: 24 square units

• Expression
  Area: 12 square units

• Equation
  Area: 12 square units