10 POINTS FOR SIMPLE QUESTIONS!

What is the value of z in the equation 2(4z − 6 − 6) = 170 − 46?
12.5, 15.5, 16.5, 18.5

How many solutions does the equation 5x + 3x − 4 = 10 have?
Zero, One, Two, Infinitely many

What is the value of z in the equation 4(2z + 3) = 12?
−13, 12, 0, 12

What is the solution to the following equation?
5(2x − 6) + 20 = 10
9, 5, 3, 2The steps below show the incomplete solution to find the value of x for the equation
5x − 2x − 3 = −2 + 15:

Step 1: 5x − 2x − 3 = −2 + 15
Step 2: 5x − 2x − 3 = 13
Step 3: 3x − 3 = 13

Which of these is most likely the next step?
3x = 16, 3x = 10, 3x = 39, 3x = 3