It’s 12 because you multiply 6 with the numbers in parenthesis that turns into 36+12 then add then turns into 48 over 4 and that = 12
Answer:
Step-by-step explanation: To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .
Algebraic fractions are the same as normal fractions, but they have algebraic expressions as the numerator/denominator.
For example,

is a normal fraction, but

is an algebraic fraction.
Combine like terms.
3x+(x-8)= 120
4x-8= 120
Add 8 to both sides.
4x= 128
Divide by 4 into both sides.
x= 32
I hope this helps!
~cupcake