MeIsBella
MeIsBella MeIsBella
  • 08-11-2019
  • Mathematics
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7x +4 -3x if x =4 solve

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vmjrab
vmjrab vmjrab
  • 08-11-2019

7x +4 -3x

if x=4 then replace the x's with 4

[tex]7(4) +4 -3(4)[/tex]

Multiply

[tex]28+4-12[/tex]

add 28+4

[tex]32-12[/tex]

Now subtract and get your final answer

[tex]20[/tex]

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