-4r-11=4r+21
Move 4r to the other side
Sign changes from +4r to -4r
-4r-4r-11=4r-4r+21
-4r-4r-11=21
-8r-11=21
Move -11 to the other side
Sign changes from -11 to +11
-8r-11+11=21+11
-8r=21+11
-8r=32
Divide both sides by -8
-8r/-8=32/-8
Answer: r=-4
Answer:
352
Step-by-step explanation:
Simple area problem just do 16x22 sorry for poor explanation
Answer:
False
Step-by-step explanation:
x
The opposite of x is -x
x* -x = -x^2
This is not always 1
The value of 7 can be wrote as
7,000 or seven thousand
Answer:
44.49 repeated
Step-by-step explanation:
Sorry for the wait