7/15 Equations Practice

The solution to an equation is the one that makes it

• TRUE

• FALSE

• I'm not sure

• What's an equation again?

Does 4 make the equation true? 3x = 15

• Yes

• No

• I'm not sure, can you show us again?

Does 7 make the equation true? 8 - x = 1

• Yes

• No

• I'm still not sure

What does "inverse" mean?

• multiply

• the opposite of

• the same as

• subtract

What is the inverse operation of division?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

What operation should you use to solve the equation?

2m=40

• multiplication

• division

• addition

• subtraction

What would be the best first step to solving the equation?

9=x+5

• add 9 to both sides

• subtract 5 from both sides

• add 5 to both sides

• subtract 9 from both sides

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9