Blue, no. White, yes.
Sulphur plus water is a nonhomogeneous mixture.
Red and blue in equal parts makes purple, adding more purple will not change the basic colour much. You will still have purple.
Brown is the result of mixing all three primary colours (Red Blue & Yellow). Adding more blue will deepen the colour of brown.
Your pool water turned green immediately after adding pH Plus because the chemical had increased the pH level to high. You may need to adjust the alkalinity levels of the water using another pool chemical such as pH Minus of pH Alkalinity Plus.
If you are adding, you would use the plus sign: 235 + 987
Hydrochloric acid is HCl. It is a H plus (H^+) donor, and so adding it to water will INCREASE the H^+ concentration. Increasing the H^+ concentration results in a DECREASE in pH.
10.34
2+3n+2+9n would equal 4+12n after adding all like numbers.
Addition is shown with a plus sign (+), subtraction is denoted by a minus sign (-).
Blue plus red equals purple
Thing of it this way, you are adding negativity, therefore you are taking away positivity, which is what the numbers you are working with are, when doing adding sums.
1 plus1 is 2, adding another1gives 3. Continue adding ones giving 4,5,6,7and finally8.So, the answer is 8.