2(3x -4)
Write it in expanded form

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

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Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab