Question

||6x+2|-12|=7 , find the exact value for x?

Answer 1

\[\left| \left| 6x+2 \right| -12\right|=7\]

The rule you need is this:
\[\left| f(x) \right|=5\]
becomes
\[f(x)=5\]
and
\[f(x)=-5\]

Answer 2

i don't understand can you explain more

Answer 3

Whenever an absolute value is undone the result is two equations that are equal to the positive and the negative of what the absolute was equal too.

Answer 4

Therefore, \[\left| \left| 6x+2 \right| -12\right|=7\]
Becomes
\[\left| 6x+2 \right|-12=7\]
AND
\[\left| 6x+2 \right|=-7\]

Answer 5

oops the final equation in the last post was wrong

Answer 6

\[\left| 6x+2 \right|-12=7\]
AND
\[\left| 6x+2 \right|-12=-7\]

Answer 7

Do you understand why we split the equation from one into two?

Answer 8

yes and the how do i find x value?