Question
Answer
$$18p\cdot4+28y\cdot4-10p\cdot4=32p+112y$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}18p\cdot4+28y\cdot4-10p\cdot4& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}72p+112y-40p \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle4}{\textcircled {4}} } }}}32p+112y\end{aligned} $$ | |
| ① | $$ 18 p \cdot 4 = 72 p $$ |
| ② | $$ 28 y \cdot 4 = 112 y $$ |
| ③ | $$ 10 p \cdot 4 = 40 p $$ |
| ④ | Combine like terms: $$ \color{blue}{72p} +112y \color{blue}{-40p} = \color{blue}{32p} +112y $$ |
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