Unidad 7: Ecuaciones

Translate into algebraic language:

Three times a number plus five

Translate into algebraic language:

A number plus its consecutive

• x+x 

• x+(x+1) 

• x+2x 

• 2x 

Translate into algebraic language:

The square of a number

Translate into algebraic language:

Twice the sum of any two numbers

Translate into algebraic language:

My sister's age is twice my age and my brother's age is 5 years less than my sister's age.

• My age: x

  Sister's age: 2x

  Brother's age: 2x-5  

•    My age: 2x

  Sister's age: x

  Brother's age: 2x-5   

• My age: 2x

  Sister's age: x-5

  Brother's age: 2x-5    

•   My age: x

  Sister's age: 2x-5

  Brother's age: 2x  

• 1

• 0

• 2

• -2

• -1

• 0

• 2

• 4

• 12

• 24

• 18

• 30

• Coefficient: 2

  Literal part: x

  Degree: 1

• Coefficient: 2

  Literal part: x

  Degree: 0

• Coefficient: 1

  Literal part: 2x

  Degree: 1

• Coefficient: 1

  Literal part: 2x

  Degree: 0