Question
19. Solve the equation. vert 7-2xvert =4 Select the correct choice below and, if necessary,fill in the answer box to complete your choice. A. The solution set is square (Simplify your answer. Use a comma to separate answers as needed. Type an integer or a fraction.) B. The solution is all real numbers. C. The solution is the empty set.
Solution
4.4
(127 Votos)
Franco
Mestre · Tutor por 5 anos
Resposta
To solve the equation
, we need to consider two cases:Case 1:
In this case, we can solve for
by isolating it on one side of the equation:
Case 2:
In this case, we can solve for
by isolating it on one side of the equation:
Therefore, the solution set is
.So, the correct choice is A. The solution set is
.