Answer:
n = 3.8
Step-by-step explanation:
First, we would distribute 0.3 with n and 1.5.
0.3(n - 5) = 0.4 - 0.2n → 0.3n - 1.5 = 0.4 - 0.2n
Next, we can move the number with the variable to one side.
0.2n + 0.3n - 1.5 = 0.4 - 0.2n + 0.2n → 0.2n + 0.3n - 1.5 = 0.4
(Because we added 0.2n to the negative 0.2n on the right side, it cancels it out)
We can also move 1.5 to the right side of the equation as well.
0.2n + 0.3n - 1.5 + 1.5 = 0.4 + 1.5 → 0.2n + 0.3n = 0.4 + 1.5
Then, we combine like terms
0.2n + 0.3n = 0.5n & 0.4 + 1.5 = 1.9 → 0.5n = 1.9
Finally, we divide both sides by 0.5.
n = 3.8
