Question

Consider the formula 4(h-3k)= h+7.

(a) Make k the subject of the above formula.
(b) If the value of h is decreased by 8, write down the change in the value of k.

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Answer 1

=k=0.25h-7/12

Explanation:

4(h-3k)=h+7

=4h-12k=h+7

collecting like terms and leaving characters with k on 1 side, we get;

12k=3h-7

=k=0.25h-7/12