-12 because -8+(-4) = -8 - 4= -12.
Answer: the second bubble down the first row
Step-by-step explanation:
when you plan the coordinate you need to use 1,2,3,4 to get the simplest answers.
It represente the absolute value
The notes with all black are 1 beat (first position for tuba idk about the rest) the line things are pauses so you would pauses for like 1.99 seconds
Given: 7r+3r-8=8+2r
Simplify: 10r-8=8+2r
Addition: add 8 to each side: 10r=16+2r
Subtraction: Take 2r from each side: 8r=16
Division: Divide each side by 8 for answer: r=2
Answer: r=2