Equations

What is the inverse operation of multiplication?

• Addition

• Subtraction

• Division

• There is not an inverse to multiplication

What is the inverse operation of addition?

• Multiplication

• Subtraction

• Division

• There is not an inverse to addition

What is the inverse operation of division?

• Multiplication

• Subtraction

• Addition

• There is not an inverse to division

What is the inverse operation to subtraction?

• Multiplication

• Division

• Addition

• There is not an inverse to subtraction

What does it mean to isolate the variable?

• Multiply the variable

• Get rid of the variable

• Get the variable with its friends

• Get the variable to stand alone

What we do to one side......

• We can not do to the other.

• We have to do to the other.

• We double.

• We divide.

What is the first step to isolate x in the equation 2x +4 = 12

• Divide by 3

• Multiply by 12

• Subtract 4

• Add 4

Find the solution to the equation.

2x + 4 = 8

• 2

• 4

• 6

• 8

How can you check your solution?

• Look at your work again

• Make a new equation.

• Substitute the solution back into the original equation.

What does a pawn represent in hand on equations?

• constant

• coefficient

• variable

• solution