Determine whether (-2,-1) is solution of 7x+6y=-3

Answer 1

Substitute (-2,-1), i.e. x=-2, y=-1, into 7x+6y=-3 and see if the two sides of the equation are equal. If so, (-2,-1) is a point that is on the line. If not, the given line (equation) does not pass through the given point.

Answer 2

8x=-72

i divided on each side and my answer is x=-9 i'm i right
by the way thanks