Identify the property that justifies each step asked about in the answer area below. Line 1:
(-2x + 10) + 7x

Line 2:
(10 + (-2x)) + 7x

Line 3:
10 + (-2x + 7x)

Line 4:
10 + 5x

Line i to Line 2:
Line 2 to Line 3:

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

20

step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right