She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).
Answer:
Step-by-step explanation:
Hello,
First of all we will take any real number x different from 0, -2, +2 as dividing by 0 is not allowed and then we can write

because we know that

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Divide -38 by -5
The negatives cancel out since a negative divided by a negative is a positive.
7.6
Y = (x - 2)/3
3y = x - 2
x = 3y + 2
Therefore, the inverse of y = (x - 2)/3 is y = 3x + 2