-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
Step-by-step explanation:
-3(-x -3y) = 3( x +3y) = 3x+9y
Formula
Area = L*w
Hint : To find the area of a rectangle , multiply the length times the width
I hope that's help !
30, 6
150, 30
180 ................
The Correct Answer Is f(x)=2.5x+5
