Answer:

Firstly, multiply the number and variable in the perenthesis. Then move the variable on it's own side of the equation. The simplify.
So now its

but you want it in y=mx+b so
add x to both sides so that you have y on its own
so now it's
Sana makatulong po sa inyo;)
Answer:
The brownies will be a little thicker in a 9 x 13” pan. 8 x 8= 64 square inches, doubled that's 128. 9 x 13= 117
Step-by-step explanation: