keeleygrace keeleygrace

17-02-2021
Mathematics

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Lin and Noah are solving the equation 7(x + 2) = 91

Lin starts by using the distributive property. Noah starts by dividing each side by 7.

In your workbook show what both Lin's and Noah's full solution methods should look like.
Who took fewer steps to solve the problem?

Respuesta :

17-02-2021

lin: 7x+14=91, 91-14=7x, 77=7x, divide each side by 7, x=11
noah: x+2=91/7, x+2=13, subtract 2 from both sides, x=11

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