Answer:
It is not correct, x = -5
Step-by-step explanation:
Answer:
Fraction: 89/250
Percentage:35.6%
Step-by-step explanation:
You said x + 2/5 = 12
It might be easier to handle if we use the decimal for 2/5.
x + 0.4 = 12
Subtract 0.4 from each side: x = 11.6
That's all there is to it. I'm sorry I can't make it
more complicated for you.