find the value of x (7/9)8 (9/7)-4=(7/9)3x
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(7/9)8(9/7)-4=(7/9)3x
(56/9)(9/7)=(21x/9)
8-4=(7x/3)
4=(7x/3)
x=12/7
(56/9)(9/7)=(21x/9)
8-4=(7x/3)
4=(7x/3)
x=12/7
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