GuilhermeC265376 GuilhermeC265376
  • 03-11-2022
  • Mathematics
contestada

which of the following expression is equivalent to 7 y + 21 y(7+21) 7(y+21). 7(y+3. 21y+7

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YaretzyL753888 YaretzyL753888
  • 03-11-2022

The expression given is;

[tex]\begin{gathered} 7y+21 \\ \text{The equivalent is;} \\ =7(y+3) \\ We\text{ use 7 to factor both sides of the expression, hence} \\ \frac{7y}{7}=y \\ \text{And} \\ \frac{21}{7}=3 \\ \text{Therefore, the answer is } \\ 7(y+3) \end{gathered}[/tex]

The correct answer is option C

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