Question 1204669: C=1/4m(q+k) solve for q
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! it looks like the original equation is:
c = 1 / 4 * m * (q + k)
multiply both sides of the equation by 4 to get:
4 * c = m * (q + k)
divide both sides of the equation by m to get:
4 * c / m = q + k
subtract k from both sides of the equation to get:
4 * c / m - k = q
you have just solved for q.
to confirm this was done correctly, i did the following:
to solve for c, i set m = 2, q = 5, k = 3 and solves for c to get:
c = 1/4 * 2 * (5 + 3)
this became c = 1/4 * 2 * 8 which became c = 2/4 * 8 which became c = 4.
to solve for q, i set c = 4, m = 2, k = 3 to get:
q = 4 * c / m - k which became q = 4 * 4 / 2 - 3 which became q = 16 / 2 - 3 which became q = 8 - 3 which became q = 5.
i originally solved for c, then used that value of c to solve for q.
this confirmed to me that the translation of the equation to solve for q was correct.
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