u = 2x+33x−2
u = 2x−33x−2
u = 2x+32−3x
u = 2x+33x+2
Correct answer is C
x =2u−33u+2
cross multiply
x(3u + 2) = 2u - 3
3ux + 2x = 2u - 3
collect like terms of u
2x + 3 = 2u - 3ux
2x+32−3x = u
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