rfrch4w8qn rfrch4w8qn 27-10-2022 Geography contestada 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.