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The problem

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This is frustrating a(P-1/2Q)=b(P-1/2Q) has an answer of Q(P=Q)/P-Q according to P,Abbott Teach Yours Self Algebra Please advise if you can see the answer - I can't Peter Nowlan

Answer provided by our tutors

When solving an equation with multiple variables, you first need to select the variable that you want the equation to be solved for.

a(P-1/2Q)=b(P-1/2Q)

Solve for 'P' returns solution:

Solve for 'Q' returns solution:

Solve for 'a' returns solution:

Solve for 'b' returns solution:

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