pmbs95 pmbs95
  • 09-10-2017
  • Mathematics
contestada

If AB = 18 and AC = 3x +6 then x=

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savxmarie
savxmarie savxmarie
  • 09-10-2017
x would equal 4
set AB=AC
18=3x+6
minus 6 on both sides 
12=3x
divide both sides by 3
x=4
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good job