Question

What is the solution set for the open sentence with the given replacement set? 2x + 7 = 19, {4, 5, 6, 7} A. 4 B. 5 C. 6 D. 7

Answer 1

2x + 7 = 19

2x = 12 so x = 6

Its C

Answer 2

If we're looking for the value of x that makes the equation 2x + 7 = 19 true, our only choice is C. 6, since 2(6) + 7 = 12 + 7 = 19.