(x + 5 ) 10 - 20 = 10x +50 -20 = 10 x +30 = 10 ( x+3 )
we drop the zero
x + 3 = 9
x= 9- 3= 6
Answer:
f(5) = 16.5
Step-by-step explanation:
Substitute x = 2.5 into f(x) , that is
f(2.5) = 6(2.5) + 1.5 = 15 + 1.5 = 16.5
Answer:
the answer is $2,883$
Step-by-step explanation:
2(x+2) = 60
x+2 = 30
x = 28
The correct answer is C
