12
each coin has 2 sides to flip to. 2 x 6 = 12
Answer:
a) 9
b) -3
Step-by-step explanation:
a)
|9+x|=2x
9 + x = 2x
- x -x
---------------
9 = x
b)
|x+6|=2x+9
x +6 = 2x +9
-x -x
6 = x + 9
-9 -9
--------------
-3 = x
There are 12 men in the dance recital.
8x=32
X=4
3(4)=12
Given:
The values of input and outputs are given
Output is increasing by 9 for the increase in x values.
