1. Matching.
Complete the formal algebraic proof:
Given: AC = AB + BC; AB = 4x -1; BC= 2x; AC = 10x - 9
Prove: x = 2
A
4x-1
=
10x-9
3.10x96x1
B
2x
Statements
1. AC AB + BC, AB= 4x -1; BC= 2x, AC=10c-9
2. 10x9= (4x-1) + (2x)
C
Reasons
1. Given
2.
3.