1.1d Variables on Both Sides

Variables on Both Sides

Multiple Choice

Let's try it! Choose the correct first step for this equation.

$$\ 7x\ =\ 2x\ -\ 20$$  

• Subtract 2x from both sides.

• Subtract 7x from both sides.

• Sutbract 20 from 2x.

Multiple Choice

Try another one. Choose a correct first step for this equation.

$$14\ +\ 3n\ =\ 5n\ -\ 6$$  

• Subtract 5n from both sides.

• Add 14 to 3n

• Subtract 6 from 5n

Multiple Choice

Let's practice some more. What is the solution to this equation?

$$18\ -\ 2g\ =\ 4g$$  

• 3 = g

• g = 12

• 9 = g

• g = 16

Multiple Choice

Solve: -2x + 18 = 2x + 40

• x = -5.5

• x = 6.5

• x = -4.5

• x = 5.5

Thank you for your attention!

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