Answer:
x^xtfr
Step-by-step explanation:
Add 9, 6 times
And add 8, 7 times
Line 5 shows the division property of equality.
The division property of equality states that you can divide both sides of the equation by the same number and the equation remains the same. This equation is being divided by 4 on both sides.

Or, if that hyphen between the lower index and 3 is actually a negative sign, then the sum is -189.