Step-by-step explanation:
(4+4)+x=3
8+x=3
x=3-8
x= -5
Answer:

Step-by-step explanation:
Weight from before + Weight gained

Convert to improper fractions.

Find the common denominator.

Add.

Convert to a mixed fraction.

Answer:
(fog)(x) = 4x - 7
Step-by-step explanation:
f(x) = 2x-1 and g(x) = 2x-3;
(fog)(x) = f(g(x)
= f(2x - 3) = 2(2x - 3) - 1
= 4x - 6 - 1
= 4x - 7