Seven times a number is equal to 12 more than three times the number. find the number

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x