Algebra End of Q1 11/5/2021

What are variables in math?

• Letters

• Numbers

• Expressions

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Which equation has w = 8 as the solution?

• 8w= 64
• 16w = 240
• 16 - w = 9
• 4 + w = 10

2d + 7 = 9 

• 1
• 7
• 4
• 3

2s - 4 = 6

• 5
• 3
• -5
• 2

-12 = 5r + 8

• -4
• 4
• 3
• 6

7y+2y

8x-10x+x

• 2x

• -x

• -2x

• x