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angle 4=121 degree

angle 8=102 degree

angle 6=46 degree

angle 7=82 degree

Step-by-step explanation:

Step-by-step explanation:

We have been given an equation:

In order to solve this equation we will convert the base same on both sides of equation:

we can write we get:

Now, using

Here, n is 3 and x is 4 on l;eft hand side of the above equation:

We can equate the powers when base are same

Hence, 12x-9=-2

Now, we will solve for x we get:

12x=7