verduzcomatthew
verduzcomatthew
03-09-2014
Mathematics
contestada
20-4(4-3x)-7x=16-2(7-4x)
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mariamikayla
mariamikayla
03-09-2014
[tex]20-4(4-3x)-7x=16-2(7-4x) \\ \\ 20-16+12x-7x =16 -14+8x \\ \\ 4 +5x =2 +8x \\ \\ 5x-8x=2-4 \\ \\ -3x=-2 \\ \\ 3x=2 \\ \\ \boxed{x=\frac{2}{3}}[/tex]
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