Answer:
x=ln(12)/ln(4)-2
Step-by-step explanation:
4^(x+2)=12
x+2=ln(12)/ln(4)
x=ln(12)/ln(4)-2
Answer:
x = 7/3
Step-by-step explanation:
3(x-4)=-5
Distribute
3x - 12 = -5
Add 12 to each side
3x -12+12 = -5+12
3x = 7
Divide by 3
3x/3 = 7/3
x = 7/3
5.5, divide 5,500 by 1,000 to get 5.5 kg.