Answer:
X = 15
Step-by-step explanation:
We move all terms to the left:
<em>x+8+2x-(2x+13)=0</em>
We add all the numbers together, and all the variables:
<em>3x-(2x+13)+8=0</em>
We get rid of parentheses:
<em>3x-2x-13+8=0</em>
We add all the numbers together, and all the variables:
<em>x-5=0</em>
We move all terms containing x to the left, all other terms to the right:
<em>x=5</em>
I’m pretty sure it would be 0,5 but if not look up calculator soup and type your question and it should give you a whole list of everything equivalent to it!
time taken to make bed = 15.75 hours
time taken to make a coffee table = 6.375 hours
time taken to make a dresser = 9.5 hours
Total time =
If it is the most common isotope and of Carbon and it is not an ion, you can conclude that it has 6 protons and 6 electrons.
