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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? A) Addition B) Subtraction c) Reflexive Property D) Distributive
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4 votes
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?
A)
Addition
B)
Subtraction
c)
Reflexive Property
D)
Distributive Property

User Dhanu K
by
5.4k points

1 Answer

3 votes
It’s distributive because you multiplied the 2 to the x and the 7.
User Lannyf
by
5.7k points
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