∣x∣=7 \left|x\right|=7 ∣x∣=7
The equation is ∣x∣=7 \left|x\right|=7 ∣x∣=7, which means that the absolute value of x xx is 7. Therefore, x xx could be 7 or -7. Thus, the solutions are x=7 x=7 x=7 and x=−7 x=-7 x=−7.
x=−7,x=7 x=-7, x=7 x=−7,x=7