What is #x# in #x+ ( 8+ 3) = ( 4+ 8) + 3#?

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Mar 7, 2018

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4

Explanation:

The associate property of addition means that moving the parenthesis does not change the order of operations or the sum

# x + ( 8 + 3) = ( x + 8 ) + 3 #

# ( x + 8 ) + 3 = ( 4 +8 ) + 3 #

The x and the 4 are in the same place in the equation and everything else is the same therefore.

# x = 4 #

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