Mathematics, 18.08.2019 14:30 brennanjb00

3(x + 4) = 18 (given)
3x + 12 = 18 (distributive property)
3x = 6 (subtraction)
x = 2
give a reason for the last step in the argument shown.
a)
addition
b)
division
c)
subtraction
d)
multiplication

Answers: 1

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3(x + 4) = 18 (given)
3x + 12 = 18 (distributive property)
3x = 6 (subtraction)
x...

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