What is the solution to #16=a-4.2#?

1 Answer
smendyka
Dec 26, 2016

#a = 20.2#

Explanation:

To solve this problem we need to add #color(red)(4.2)# to each side of the equation to determine #a# and keep the equation balanced:

#16 + color(red)(4.2) = a - 4.2 + color(red)(4.2)#

#20.2 = a - 0#

#20.2 = a#

or

#a = 20.2#

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