make a the subject : 4(a-b)+c(a-2)=ad

Question

i need help with this question

Answer 1

In other words, SOLVE FOR a.

 

4a - 4b +ac - 2c = ad

 

a(4 + c - d) = 2c + 4b

 

Now you obtain the solution by dividing the parenthesized expression into each side of this equation.

 

Learn from this approach, as it is a frequently needed technique.