Answer
$$4c-11-(4c+11)=-22$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}4c-11-(4c+11)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4c-11-4c-11 \xlongequal{ } \\[1 em] & \xlongequal{ } \cancel{4c}-11 -\cancel{4c}-11 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-22\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 4c+11 \right) = -4c-11 $$ |
| ② | Combine like terms: $$ \, \color{blue}{ \cancel{4c}} \, \color{green}{-11} \, \color{blue}{ -\cancel{4c}} \, \color{green}{-11} = \color{green}{-22} $$ |
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