Answer
$$3x-4-(-5x+2)=8x-6$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}3x-4-(-5x+2)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3x-4+5x-2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}8x-6\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( -5x+2 \right) = 5x-2 $$ |
| ② | Combine like terms: $$ \color{blue}{3x} \color{red}{-4} + \color{blue}{5x} \color{red}{-2} = \color{blue}{8x} \color{red}{-6} $$ |
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