Easy way to balance chemical equations?

Question

I spend too long balancing equations in the exam. Is there a reliable step-by-step trick that always works?

Sonia · Answer

To easily balance a chem eqn 
First write the correct chem eqn
Then count the number of atoms of each element on both sides 
Then balance one element at a time but adding numbers before the formulas
Never change the chem formula 
Start with the element which appear in only one compound on each

Easy way to balance chemical equations?

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