Mathematics, 25.03.2020 06:59 heidiburgos1own6c0

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?

Answers: 2

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2(x + 7) + 3x = 12 (given)
2x + 14 + 3x = 12 (?)
5x + 14 = 12 (simplify)
5x = -2 (...