ameliaaugusto9owcx31 ameliaaugusto9owcx31
  • 20-09-2018
  • Mathematics
contestada

Solve for x. 4(7x−3)−6=6−4(3x−7) Enter your answer in the box.

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imurharleygirl
imurharleygirl imurharleygirl
  • 20-09-2018

40x=52

x=52/40

x=1+3/10

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gmany
gmany gmany
  • 20-09-2018

[tex]4(7x-3)-6=6-4(3x-7)\ \ \ \ \ |\text{use distributive property}\\\\(4)(7x)+(4)(-3)-6=6+(-4)(3x)+(-4)(-7)\\\\28x-12-6=6-12x+28\\\\28x-18=-12x+34\ \ \ \ |+18\\\\28x=-12x+52\ \ \ \ \ |+12x\\\\40x=52\ \ \ \ \ |:40\\\\x=\dfrac{52}{40}\ \ \ \ |\text{simplify the fraction by 4}\\\\\boxed{x=\dfrac{13}{10}\to x=1.3}[/tex]

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