Question
Answer
$$x-(2x+5)=-x-5$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}x-(2x+5)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}x-2x-5 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-x-5\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 2x+5 \right) = -2x-5 $$ |
| ② | Combine like terms: $$ \color{blue}{x} \color{blue}{-2x} -5 = \color{blue}{-x} -5 $$ |
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