Question

What is the answer of 19=-2+7c

Answer 1

In order to solve the equation we need to clear c

19=-2+7c

19+2=7c

21=7c

c=21/7

c=3

`\begin{gathered} 19+2=-2+7c+2 \\ 21=7c \\ (21)/(7)=(7)/(7)c \\ 3=c \end{gathered}`