One Step Equations

How do we isolate the variable in an equation?

• Add the coefficient on both sides.

• Subtract the coefficient on both sides.

• Perform the inverse operation of whatever is happening to the variable to one side.

• Perform the inverse operation of whatever is happening to the variable to both sides.

What operation is happening to the variable in the following equation: -4x = 16?

• Addition

• Subtraction

• Multiplication

• Division

How would you isolate the variable in the following equation: -4x = 16?

• Add -4 on both sides

• Subtract -4 on both sides

• Multiply by -4 on both sides

• Divide by -4 on both sides

What operation is happening to the variable in the following equation: -12 = x - 9

• Addition

• Subtraction

• Multiplication

• Division

How would you isolate the variable in the following equation: -12 = x - 9?

• Add 9 on both sides

• Subtract 9 on both sides

• Multiply by 9 on both sides

• Divide by 9 on both sides

• Addition

• Subtraction

• Multiplication

• Division

• Add -8 on both sides

• Subtract -8 on both sides

• Multiply by -8 on both sides

• Multiply by 8 on both sides

Solve: c - 8 = -12

Solve: -11x = 55