Set 15: Linear Equations

Choice D is correct. Choice D is the correct answer. 1. Subtract 2.2: $1.1x = 2.2$ 2. Divide by 1.1: $x = 2$ 3. Verify: $2.2+ 2.2 = 4.4$ ✓ Choice A is incorrect because it results from an error in the solution process. Choice D is incorrect because it results from an error in the solution process. Choice C is incorrect because it results from an error in the solution process.