8th CUA Corrections

1. What is the first step in solving the equation?

2a – 4(a -5)?

• a. Add 4 to both sides

• b. Add the 2a and a

• c. Distribute 4 to a and -5

• d. Distribute –4 to a and -5

1. What is the first step in solving the equation?

2x + 7(x – 4) =35

• Subtract 35 from both sides

• Combine like terms

• Distribute 7 to x and to -4

• Subtract x from 4

                                                                                     

 $-11\ -\ 5a\ =\ 6\left(5a+4\right)$  

• -1

• -2
  

• -3

• -4

-3(r -3) + 2r = 1

• 85

• 8

• -8

• 10

 $30=−5(6n+6)$  

• 2

• -2

• 4

• 6

−13 = 5(1 + 4m) − 2m

• -1

• 1

• -4

• 4

 $−13=5(1+4m)−2m$  

• 8

• -8

• -10

• 10

 $−5n−8(1+7n)=−8$  

• -1

• -4

• 0

• 4