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7/8=9/u
We simplify the equation to the form, which is simple to understand
7/8=9/u
We move all terms containing u to the left and all other terms to the right.
-1u=-0.875
We simplify left and right side of the equation.
-1u=-0.875
We divide both sides of the equation by -01 to get u.
u=0.875
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