Dividing two decimals means that we need to make the following math operation:

According to the following definition:

We can prove that our result is correct by multiplying the divisor by the quotient plus the reminder and verifying that this result matches the dividend. Also, we can use a calculator to prove that.
Just remove the parenthesis since you are adding them and combine like terms
x+5+2x+3
3x+8
Have you ever heard of slader.com?
The answer is 7 multiple by 10 =70
Answer:
Y = mx + b
y = how far up
x = how far along
m = Slope or Gradient (how steep the line is)
b = value of y when x=0