Question

what is the solution of l2x-1 -8 =18 ?

Answer 1

what is that in the left side of 2?

Answer 2

First of all,you want to isolate the x on one side of the equation and put all the other numbers pn the other side, so we start by getting rid of the numbers

can you tell me what -1 - 8 =?

Answer 3

nevamind wrong equation


2l 2x-1 l -8=18?

Answer 4

^ that's the one im confused on

Answer 5

ok what is -11 -8?

Answer 6

theres no negative 11 there those line tingys

Answer 7

2I 2x-2I=26
this is a mod function. the speciality in it is that when you take off mod, you have to consider both positive and negative values.
=>I 2x-2I=13
=>2x-2=(+-)13
you have to do it separately.
2x-2=13
=>x=15/2
and when you consider negative sign,
2x-2=-13
x=-(11/2)