Answer:
Explanation:
You want to find the value of x, given that supplementary angles are 83° and (12x+1)°.
Step 1
The two angles shown are supplementary, so their sum is 180°:

Step 2
Simplifying the expression by combining like terms and dividing by °, we have ...

Step 3
Subtracting 84 from both sides gives ...

Step 4
Dividing both sides by 12, we get ...
