Step-by-step explanation:
________________________________
Step 1:

Wright the equation
________________________________
Step 2:

Transfer the power of y ie ¹² up to subtract it
________________________________
Step 3:

by subtracting the powers we get 0
________________________________
Step 4:

so the results comes 1 because anything ⁰=1
________________________________
⚡Final answer :1✓
________________________________
hope it helped you:)
Try this solution:
The correct answer is 'a' only, where x= -4;-1 and y= -6;-21
80 - [50 - {20/2 - (16 - 2/2) ÷ 3}]
80 - [50 - {20/2 - (15) ÷ 3}]
80 - [50 - {10 - 5}]
80 - [50 - {5}]
80 - [45]
35
Answer:
40
Step-by-step explanation:
you add all the numbers up then divide by how many numbers there are