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Please help! Question 10) 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
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Please help!

Question 10)

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

User Ndrw
by
8.1k points

1 Answer

2 votes
A) Addition
because they already sovled and gave the right answer which is -2. you don´t need to add anything else. it´s already done.
User Pravinsingh Waghela
by
8.6k points
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