Question

Select each pair of expressions that are equivalent.
3x + 14 – x + 112 and 4x + 134
2 + 6x and 2(3x + 1)
3(x + 1) – (1 – x) and 2x + 3
3x and 4(x + 1) – x – 4
5.5 + 2.2x + 3.8x – 4.1 and 1.4 + 6x

Answer 1

Answer:

2 + 6x and 2(3x + 1)

3x and 4(x + 1) – x – 4

5.5 + 2.2x + 3.8x – 4.1 and 1.4 + 6x