make u the subject in x =2u-3/3u+2

Correct Answer is : u = 2x+32−3x2x+3/2-3x2−3x2x+3

Correct Answer is : u = 2x+32−3x2x+3/2-3x2−3x2x+3

Test Index

WAEC Mathematics 2021 Paper

Question : 16

Total: 49

\frac{2u-3}{3u+2}

Solution:

x = $\frac{2u-3}{3u+2}$

cross multiply

x(3u + 2) = 2u - 3

3ux + 2x = 2u - 3

collect like terms of u

2x + 3 = 2u - 3ux

$\frac{2x+3}{2-3x}$ = u

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