Question: help solve this. 11. Solve for the unknown variable using a method of your choice. (5 marks) a) 85*+18 =647x b) 7* =34

help solve this.

help solve this. 11. Solve for the unknown
11. Solve for the unknown variable using a method of your choice. (5 marks) a) 85*+18 =647x b) 7* =34

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