Question

A student solved the equation –5x + 2x + 2 = 20 – 6x and got x = 6. His work shown below is his check for this problem. Which statement best applies to the work shown?


A.
His check does not work, thus x = 6.
B.
The work in his check is all correct, thus x = –16.
C.
The work in his check is all correct, thus x = 6.
D.
His check does not work, thus .