Michael graphs the equations y is equal to negative 1 half x plus 4 and y is equal to x plus 1 to solve the equation negative 1 half x plus 4 is equal to x plus 1 His graph is shown. What are the solution(s) of negative 1 half x plus 4 is equal to x plus 1 ?
Set the two expressions equal: −½x + 4 = x + 1. Subtract 1 from both sides and add ½x to both sides to get 3 = 1½x, so x = 2. The solution is 2, which is choice D.
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