1.

-2Y-7+9a=2+11YSolve the Equation​

Answer»

Step-by-step EXPLANATION:

-2Y-7+9a=2+11Y

or, 9Y-9+9a=0

or, 9(Y-1+a)=0

or,Y-1+a=0

or,Y-a=1

or,Y=1+a / or, a=1-Y



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