Achilles Posted September 6, 2018 Share Posted September 6, 2018 (edited) 20x - 6(0.6x - 2) - 8(4 + 0.8x) = 0 Answer is 2 but I got 0.54 Nevermind I got it right, I just messed up decimal and multiplication Edited September 6, 2018 by Achilles Link to comment Share on other sites More sharing options...

Bean_Spiller Posted September 6, 2018 Share Posted September 6, 2018 (edited) 28 minutes ago, Achilles said: 20x - 6(0.6x - 2) - 8(4 + 0.8x) = 0 Answer is 2 but I got 0.54 Nevermind I got it right, I just messed up decimal and multiplication 20x=6(0.6-2)+8(4+0.8x) 20x=3.6x-12+32+6.4x 20x=6.4x+3.6x+20 20x-20=6.4x+3.6x (10(2x-2))/10=6.4x+3.6x/10 2x-2=.64x+.36x 2x-2=x +2 & -x 2x-x=2 2x-x=x Therefor, x=2 Edited September 6, 2018 by Bean_Spiller Link to comment Share on other sites More sharing options...

Lizwi Posted July 27, 2019 Share Posted July 27, 2019 2 Link to comment Share on other sites More sharing options...

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