MSA Inv 3 Review

Will the point (20,60) lie of the graph of  $C=50+1.75N$  ?

• Yes

• No

 $-2x+7=y$  

Find x if  $y=89$  

 $-2x+7=y$  

Find y if  $x=12$  

What operation would you use to solve this equation: 9x=153?

• multiplication

• division

• addition

• subtraction

Given the equation  $3x+10=5x$  , what is your first step to solve?

• Subtract 3x

• Subtract 10

• Divide by 5

Use the distributive property to find an equivalent expression: 3(x + 10)

• 3x + 10
• 3 + x + 10
• x + 30
• 3x + 30

Solve: $4x+9=17$  

• 8

• -9

• 2

• 7

Ssolve for x:

4x + 20 = 6x

• 10

• 2

• 8

• 30

Solve:

2x - 6 = -6x + 2

• 1

• -1

• 4

• 8

Find r if  $2r+10=22$