just took all my brainliest im sad :(

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Which of the following is correct interpretation of the expression -4+13

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?