issalay issalay

25-03-2020
Mathematics

contestada

1)
4x + 5x + 12 = -6 (given)
9x + 12 = -6 (simplify)
9x = -18 (subtraction)
x = -2 (addition)
Which reason is incorrect?
A) addition
B) given
C) simplify
D) subtraction

Respuesta :

igoroleshko156 igoroleshko156

25-03-2020

Answer:

Option A, addition

Step-by-step explanation:

The last one because it says addition but you actually divide both sides by 9.

Answer: Option A, addition

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