Z każdego z wzorów wyznacz x .
a) P=abx
b) R=ax/b
c) S=a/bx
d) T=1/abx
e) y=2t - 3x
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a) P = abx | : x P/x = ab | : P x = ab/Pb) R = ax/b | * bRb = ax | : aRb-a = xc) S = a/bx | :a S/a = bx | :b S/a/b = xd) T = 1/abx | *abTab = 1/x | :1Tab/1 = xe) y = 2t - 3x y - 2t = -3x | : (-3) x = -1/3 y + 2/3 t
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a) P = abx | : x
P/x = ab | : P
x = ab/P
b) R = ax/b | * b
Rb = ax | : a
Rb-a = x
c) S = a/bx | :a
S/a = bx | :b
S/a/b = x
d) T = 1/abx | *ab
Tab = 1/x | :1
Tab/1 = x
e) y = 2t - 3x
y - 2t = -3x | : (-3)
x = -1/3 y + 2/3 t