Simplify the expression (-6+3i)+(6+4i)

Explanation:

(-6 + 3i) + (6 + 4i)

-6 + 6 = 0

3i + 4i = 7i

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8