In each row, select whether the expressions are equivalent or not equivalent. a. 3x−2x+0.5x
is equivalent or not equivalent to
1.5x.

b. 3(x+4)−2(x+4)
is equivalent or not equivalent to
x+3.

c. 6(x+4)−2(x+5)
is equivalent or not equivalent to
2(2x+7).

d. 3(x+4)−2(x+4)+0.5(x+4)
is equivalent or not equivalent to
1.5.
ANSWER FAST!