Answer:
81.8 kg
Step-by-step explanation:
$20.70
Step-by-step explanation:
15% of 18 is 2.7 so 18 + 2.7 = 20.70
Answer:
x=1
Step-by-step explanation:
5x+9 - x= 13
Combine like terms
4x +9 = 13
Subtract 9 from each side
4x+9-9 = 13-9
4x = 4
Divide each side by 4
4x/4 = 4/4
x=1
Answer:
7x - 7
Step-by-step explanation:
Variable: X = the unknown number
2x + (-7) + 5x
= 7x - 7