If 7x - (3/2) × (4x - 9) = 6.5, then the value of x is?
-7
Expand the bracket:
\[7x - \tfrac{3}{2}(4x - 9) = 7x - 6x + \tfrac{27}{2} = x + 13.5\]
Set equal to 6.5:
\[x + 13.5 = 6.5 \implies x = -7\]
Therefore \(x = -7\).
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