What is the value of x in the equation –x = 2 – 3x + 6?

what is the value of z in the equation 2(4z – 3 – 1) = 166 – 46?

Solve |2x - 5| = 4 if anyone could , that would be great

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Factor the polynomial by its greatest common monomial factor.