ovargas4621 ovargas4621

12-09-2022
Mathematics

contestada

please help i really don’t understand ( ignore the math on top )

please help i really dont understand ignore the math on top class=

Respuesta :

sangers1959 sangers1959

12-09-2022

Answer: x=2 DS=10 SE=10 DE=20

Step-by-step explanation:

[tex]7x-4=16-3x\\7x-4+3x=16-3x+3x\\10x-6=16\\10x-4+4=16+4\\10x=20\\[/tex]

Divide the equation by 10:

[tex]x=2[/tex]

Hence,

[tex]DS=(7)(2)-4\\DS=14-4\\DS=SE=10\\DE=DS+SE\\DE=10+10\\DE=20[/tex]

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