Hey there!
In order for us to out what the value of "c " is you have to do the opposite of subtraction, which is addition but since the result might be a negative we have to keep [tex] adding [/tex]
SO, first lets [tex] subtract [/tex] by [tex] 9 [/tex] on each of your sides
Like
[tex] 9 - c = 63 \\ 9 + (-c) = 63 \\ (-c) + 9= 63 \\ \\ \\ \\ Here! \\ \\ (-c) + 9 - 9 \\ 63 - 9 \\ \\ Cancel: 9 - 9 \\ \\ Keep: 63 - 9 \\ \\ 63 - 9 = 54 \\ -c = 54 [/tex]
Nextly we will [tex] divide [/tex] by [tex] -1 [/tex] on your sides
Like:
[tex] \frac{-c}{-1} = \frac{54}{1} \\ \\ Cancel: \frac{-c}{1} \\ \\ Keep: \frac{54}{-1} [/tex]
[tex] \frac{54}{-1} = -54 [/tex]
Answer: [tex] c= -54 [/tex]
Good luck on your assignment and enjoy your day!
~[tex] LoveYourselfFirst:) [/tex]
