morriceroa150 morriceroa150

25-03-2020
Mathematics

contestada

2(x + 7) + 3x = 12 (given)
2x + 14 + 3x = 12 (?)
5x + 14 = 12 (simplify)
5x = -2 (subtraction)
x = -
2
5
(division)
What is the missing reason?

Respuesta :

25-03-2020

Answer:

[tex]2(x + 7) + 3x = 12 \\ 2x + 14 + 3x = 12 \\ 5x + 14 = 12 \\ 5x = 12 - 14 \\ 5x = - 2 \\ \frac{5x}{5} = \frac{ - 2}{5} \\ x = \frac{ - 2}{5} [/tex]

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11-10-2020

Answer:

Distributive property

Step-by-step explanation: I just did it lol

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