Question

si beta es igual a 5x+13°=

Answer 1

 5x+13>=0 then |5x+13|=5x+13=-7
5x=-7-13
5x=-20
x=-4 


If 5x+13<0 then |5x+13|=-(5x+13)=-7
-5x-13=-7
5x+13=7
5x=7-13
5x=-6
x=-6/5 

ANSWER: x is either -4 or -6/5