Equation True

To keep equations true, whatever I do to one side of the equation, I must do to the other side.

• True

• False

True or False

10 + 2 = 10

• True

• False

True or False

25 - 5 = 25 - 5

• True

• False

If I subtract 3 from one side, I HAVE to subtract 3 from the other side to keep the equation true?

• True

• False

x = 20

x = 7

x = 10

x = 3

• x = 20

• x = 7

• x = 10

• x = 3

Solve -4 = 5x + 6

Mathematical Equivalence

ON

Which is the variable?

• y

• +

• 12

• 48

Which is the variable?

• 6

• +

• n

• 12

How can I make this equation true?

6 + 3 = 6

• add 3 to the side with the 6

• add 3 to the side with the 6 + 3