To write -12/80 as a decimal you have to divide numerator by the denominator of the fraction. We divide now -12 by 80 what we write down as -12/80 and we get -0.15
And finally we have: -12/80 as a decimal equals -0.15
We only need a calculator for this. But, to simplify and make sure you have a good experience here on Brainly, the answer is -0.15. All I did was find 12/80, and added the negative sign. If your issue was that you could not get the negative sign on your calculator, well, there is your answer
its basically saying since x equals 10 and 10 is on both sides that if you add y to both sides itll still be equal hence, addition property of equality.
