Accuplacer Practice Test

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Solve the equation 50 - x - (3x + 2) = 0 when x=3, y=-4, and z=2, what is the outcome?

The correct answer is: 12

When solving this equation, it is important to use the correct order of operations. In this case, we first need to simplify the expression inside the parentheses by distributing the negative sign, giving us 50 - x - 3x - 2 = 0. Next, we can combine like terms by adding the constants together and the coefficients of x together. This gives us 48 - 4x = 0. From here, we can solve for x by dividing both sides by -4, giving us x = 12. Therefore, the outcome of this equation when x=3, y=-4, and z=2 is 12. Option A is incorrect because it is the solution if we only consider the first part of the equation, 50 - x. Option B is incorrect because it is the solution if we consider the second part of the equation, 3x + 2. Option D is incorrect because it is the result if we add all three values of x, y, and z together instead of solving the equation.