∣x∣=4 \left|x\right|=4 ∣x∣=4
The equation is ∣x∣=4 \left|x\right|=4 ∣x∣=4. This means that the value of x xx can be either 4 or -4. Thus, the solutions are x=4 x=4 x=4 and x=−4 x=-4 x=−4.
Answers a + c