Question

Which pairs of expressions are equivalent? more than one answer

3x + 5x and 8x
3(x + 4) and 3x + 12
a + b + a and 2a + b
18x + 2y and 15x + 3x + 2x
3a + 4a + 10 and 17a

Answer 1

The answers are one,two and, three

Answer 2

Correct answers are

First one

Second one

Third one

Explanation:

3x+5x=8x

3(x+4)=3x+12

a+a+b=2a+b