What is a

Algebra Level 1

6a - (-15a) -21a +387 =


The answer is 387.

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2 solutions

6a - ( -15a) = +21a-21a +387 =387

Jia Quan Ng
Oct 8, 2014

Simplify: (6a +15a -21a)+387 =387

387 is not the value of a because 6a-(-15a)-21a+387=+21a-21a=387 so 387 is the simplification of the equation

Hamidou Sidibe - 6 years, 8 months ago

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