Answer: c
Step-by-step explanation:
81-1= 80
80 / 2 = 40
D = 40
So:
40(2) = 81 - 1
Answer:
increase well duhh
Step-by-step explanation:
To isolate a variable you have to “do something to both sides”. i dont know your equation. but you either have to add, subtract, multiply or divide
Answer:
well by looking at it , it would be for a.