Mathematics, 06.05.2020 08:41, mdoswalt

Which best proves why the expressions 4(x+3)+2x and 6(x+2) must be equivalent expressions?
When x = 3, both expressions have a value of 30.
When X= 5, both expressions have a value of 42.
When X= 1, both expressions have a value of 18, and when X= 8, both expressions have a value of 60.
When x=2, both expressions have a value of 15, and when X=6, both expressions have a value of 39.

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Which best proves why the expressions 4(x+3)+2x and 6(x+2) must be equivalent expressions?
Whe...