Writing About How to Find Surface Area
Explain how you use a net to find the surface area of a
prism.
V

add 8+12 to get a simplified answer of 12r-20

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