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-1both 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