23-05-2016
Mathematics

contestada

5(3x+4)-2x=7x-3(-2x+11)

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tiffany29 tiffany29

23-05-2016

5(3x+4)-2x=7x-3(-2x+11)
15x+20-2x=7x+6x-33
13x+20=13x-33
+33 +33
13x+53=13x (divide by 13)
x=53

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