htxvasquez06 htxvasquez06
  • 13-09-2018
  • Mathematics
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whats the answer and proof of 12=4-1/4x

whats the answer and proof of 12414x class=

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rasaunanddelvon
rasaunanddelvon rasaunanddelvon
  • 13-09-2018

12 = 4 - 1/4x

switch sides : 4 - 1/4x = 12

subtract 4 : 4 - 1/4x - 4 = 12 - 4

simplify : - 1/4x = 8

multiply by -4 : ( -1/4x) (-4) = 8 (-4)

answer : x = -32

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