Equal and Not Equal Equations

Which words should go in the yellow / left side of this venn diagram?

• Has an equal sign, can be solved

• Does not have an equal sign, can not be solved

• Has numbers and/or variables

Which words should go in the green / middle of this venn diagram?

• has an equal sign, can be solved

• does not have an equal sign, can not be solved

• has numbers and/or variables

Are these examples of expressions or equations?

• expressions

• equations

A(n) ______________ is a statement that two mathematical expression are equal

• equation

• inverse operation

• solution of an equation

• expression

Twice a number is 346.

• 2x = 346

• x + 2 = 346

• x - 2 = 346

6x - 2 = 3

• the product of 6 and 2 minus a number is 3

• six times a number less than 2 equal 3

• six times a number minus 2 equals 3

51 is 4 times the number of books, less 3.

• 51 = 3 - 4x

• 51 - 34x

• 51 = 4x - 3

Eight less than three times a number is equivalent to thirty four.

• 3x - 8 = 34

• 8x - 3 = 34

• 8 - 3x = 34

• 8 - x = 34

Solve the equation:
20.5 = x + 4

• 16.5

• 16.05

• 24.5

• 24.05

y/3=12

• 36

• -36

• 4

• -4