Question
Answer
$$25x+150-(50+30x)=-5x+100$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}25x+150-(50+30x)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}25x+150-50-30x \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-5x+100\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 50+30x \right) = -50-30x $$ |
| ② | Combine like terms: $$ \color{blue}{25x} + \color{red}{150} \color{red}{-50} \color{blue}{-30x} = \color{blue}{-5x} + \color{red}{100} $$ |
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