Answer:
x = 6
Step-by-step explanation:
Love proportions!
3x+2(x+6) = 35(21)
21(3x+2) = 35(x+6)
63x + 42 = 35x + 210
28x = 168
x = 6
1,450 because you would plug 75 in for x
f(x)= 20(75)-50
Answer: No Solution
Step-by-step explanation: The Answer Is No Solution.
Have A Great Day!