solve each literal equation for the indicated variable: a=p+prt for t, sa=2ab+2ac+2bc for a?

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2007-09-05 16:05:26 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

a = p + prt
a-p = prt
(a-p)/(pr) = t

sa = 2ab + 2ac + 2bc
sa - 2ab - 2ac = 2bc
(s - 2b - 2c)a = 2bc
a = 2bc/(s - 2b - 2c)

2007-09-05 16:11:56 · answer #1 · answered by Philo 7 · 0⤊ 0⤋

a-p/pr=t
sa=2ab+2ac+2bc
s=2ab+2ac+2bc/a
s=ab+ac+2bc
s(b+c) - 2bc=a I guess. DOAH!!!!! Philo got me

2007-09-05 16:14:43 · answer #2 · answered by Aaron4me 3 · 0⤊ 0⤋