Question

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

Answer 1

Answer:

Which best proves why the expressions 4(x+3)+2 and 6(x+2) must be equivalent expressions? When x=1, both expressions have a value of 18, and when x=8, both expressions have a value of 60. ... If for each substituted value, the final values of the expressions are the same, then the two expressions must be equivalent.