Answer:
c=-6
Step-by-step explanation:
c= -6
2(2c+9)=c
4c+18=c
4c+18-18=c-18
4c=c-18
4c-c=c-c-18
3c=-18
3c/c=-18/3c
16
9+16 = 25 9+ 7 = 16
D=1/2
Multiply the numbers
Subtract the numbers
Combine like terms
put 1/2 to the two parts of the equation
last but not least, simplify
..
Answer the answer to your question is $7.50
