4x - 1 = 8 + 8
4x - 1 = 16
4x = 17
4x/4 = 17/4
x = 4.25
Answer:
84
Step-by-step explanation:
4v^2 - m^2
let v=5 and m=-4
4 * (5)^2 - (-4)^2
4* (25) - (16)
100 - 16
300
6 × 10¹ ÷ 2 × 10-¹
= 300
no of aluminium is 300 times more than that of gold