WODB? Which One Doesn’t Belong? see the italicized word *not*

study the top and bottom equations in each answer choice and compare to the original

(1) top equation exactly same as given

bottom is equivalent to the given…just all the signs are changed

(2) top equation exactly same as given

bottom all terms are doubled

(3) top all terms are tripled

bottom is the second line of answer (1) tripled or the original second line multiplied by -3

(4) is the odd one out

top is doubled

bottom: the left side is x 4 but the right side has not changed