<span>A
−10 + 16 = 6
........................................................</span>
You keep the same sign. So:-
4 + 4 = 8 and
--4 + -4 = -8
Every point on the line 3/7x -1 is a solution
Unless there is another line provided...
B.
76-g
<span>76 decreased by an unknown number g </span>