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19-11-2018
Mathematics

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x-3(2x-7)=76. Multi-step equations

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wegnerkolmp2741o wegnerkolmp2741o

19-11-2018

x-3(2x-7)=76

distribute

x - 3*2x -3*(-7) =76

x -6x +21 = 76

combine like terms

-5x +21 = 76

subtract 21 from each side

-5x =55

divide by -5

x = -11

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