How do you balance these equations?

Answer:
1Al₄C₃ + 12H₂O → 3CH₄ + 4Al(OH)₃
Explanation:
SOLUTION :-
Balance it by using 'hit & trial' method , and you'll get the answer :-
1Al₄C₃ + 12H₂O → 3CH₄ + 4Al(OH)₃
VERIFICATION :-
In reactant side of equation :-
In product side of equation :-
Number of atoms of each element is equal in both reactant & product side of equation. Hence , the equation is balanced.