Answer:
the answer is b
Step-by-step explanation:
the answer is B 16 m
I hope this helps you
m (I)= m (P)
3x+4=72-x
4x=68
x= 17
Answer:

Step-by-step explanation:
1. expand by distributing terms.

2. Simplify 2 × 4x to 8x.

3. Simplify 2 × -7 to -14.

Therefor, the answer is, 8x - 14.
Y = 13.
Explanation
Replacing the value x with 4 in the function gives that y= 4+9
y= 13