Algebra 1. Solve the equations below using the formal method. a. 6x - 5 = 25 b. 4 - 1 =5 C. -6 = -12 d. 7 - y = - 7y - 3 + 4y e. 6 (2x - 1) - 2 (x + 6) = 5 (3x + 5) - 3 f. 2. Simplify expressions a. (3 + 2x - 5x7) + (x3 - 4x + 2) b. (5h - 2h7) - (7 - 5h2 + 7h) C. 40b' (b' - 20'b + 5056#) d. 6 (2m - 3) - (6m + 11) - 4 (m - 8) e. x (4x- 5) + 3x (x + 7) - 2x (6x + 9) 3. A high-speed train can cover a distance of 650 km in 3 hours. If a railway line between Windsor and Halifax, how long would such a train take to cover the 1,800 km that separate the two cities?4. Marc wants to build a pen for his dog. One of the walls of the garage will be used to limit one side of the enclosure, which can measure up to 3 In, the length of the garage wall. It has 18 m of fence. He wants to build a rectangular enclosure so that his dog has as much space as possible. What will be the dimensions of this enclosure? Show all the stages of the reasoning. 5. Write each expression as a power a. [5}'2 + {} 3 b. [23:4 c. 43:14? (91)\" d- (93:!5 E. Simplify expressions. Express the answers as fractions. a. mans + [5}\"1 4. h. E \"-2 - 2L3