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Q: Which of these formulas is correctly rewritten from the original formula to solve for b a equals 3b - 2c?

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1

a=2 BC - d is c=2(a + b)

d=a-2bc

c= (a+d) / 2b

c= a-2b

(a+d)/2b=c

a-2b=c

A +

d = a - 2bc

None.

None.

1

If a=2bc+db= (a - d) / 2c If a=2b+c b=1/2(a-c)

b= 1/2 (a - c)

b = 1/2 (a - c) or for a = 3b - 2c: b = 1/3 (a + 2c) for a= 2bc + d is b= (a-d)/2c a= 2b +c is c= a - 2b b=1/3(a-2c)

a = 2b + c then a - 2b = c ie c = a - 2b

When all the coefficients and formulas are correctly writed; and the law of mass conservation must be respected.

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That will depend on the original formula and where it is copied to. The formula may change if it is a formula using relative references. It will show an error if it is now trying to reference cells that do not exist. A formula with absolute references will not change. Formulas with mixed references will partially change. Formulas with no references will not change. So there are lots of factors that have to be considered when determining what will happen if the formula is copied and pasted.

Both formulas are possible molecular formulas for the same empirical formula, CH2.

1n5c

Formula: Fe2+

The empirical formula tells you the simplest formula for the compound. The molecular formula will be some multiple of the empirical formula, or it can be identical to the empirical formula.

'How do you do formulas on excel and continue to work with answer as a numerical value and not a formula '

It helps check for errors or problems in formulas. It does not guarantee your formula will work correctly, but that there are no syntax errors. A spreadsheet does not know what you want to do, so if you put a minus where you should have a plus, Excel will not see that as being incorrect as it is a legitimate thing for a formula to do. A formula checker checks for more fundamental errors.

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