-(4c-7)=5c+(11-7c)

Question

-(4c-7)=5c+(11-7c)

Answer 1

-(4c-7)=5c+(11-7c),

-4c+7=5c+11-7c,

-4с+2с=11-7,

-2с=4,

с=-2

Answer 2

-4c+7=5c+11-7c

-4c-5c+7c=-7+11

-2c=4

c=4:(-2)

c=-2