What economic value does the outer coastal region offer? a. tourism b. shopping c. Paper industry d. All of the above​

given the equation is 8+9z=-6, the first step would be to subtract the 8 from both sides:

8+9z-8=-6-8

since 8 minus 8 = 0, this would cancel out the 8. and since -6 minus 8 equals -14, the equation would look like this

9z = -14

umm you say your want to . but you do know that this is the mathematics.  

o~o