Which expressions are equivalent?
A.3x + 5x and 8x
B.3(x + 4) and 3x + 12
a + b + a and 2a + b
m − n and − n + m
18x + 2y and 15x + 3x + 2x
3a + 4a − 10 and 17a
A.3x + 5x and 8x
B.3(x + 4) and 3x + 12
a + b + a and 2a + b
m − n and − n + m
18x + 2y and 15x + 3x + 2x
3a + 4a − 10 and 17a
