What is the value of z in the equation 3z + 5 = 4z − 8? a
−13

b
−1

c
1

d
13

The answer is 13, please let me know if I am wrong

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2