Answer:
Step-by-step explanation:
-15 :D i chose this bc of simple logic.
Answer:
Step-by-step explanation:
both sides are the same length so 20+6x+3=18+7x+2
all you have to do is get the variables and non-variables on opposite sides of the equation so 3=x
5^-7 * 5^12
Because the base is the same, add the exponents.
5^ (-7+12)= 5^5
Final answer: 5^5, or 3125
