Question

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

Answer 1

[AI-generated answer — Bot GPT 3.5]

The reason that is incorrect is D. subtraction. When simplifying the equation, the correct operation is subtraction, not addition.