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Mathematics, 21.08.2019 12:10 townykid96

4x + 5x + 12 = -6 (given)
9x + 12 = -6 (simplify)
9x = -18 (subtraction)
x = -2 (addition)
which reason is incorrect?
a) addition
eliminate
b) given
c) simplify
d) subtraction

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4x + 5x + 12 = -6 (given)
9x + 12 = -6 (simplify)
9x = -18 (subtraction)
x = -2 (a...
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