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

asked Nov 12, 2023 6.3k views

2 votes

by Sally

7.4k points

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4 votes

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

Explanation:

$7x-4=16-3x\\7x-4+3x=16-3x+3x\\10x-6=16\\10x-4+4=16+4\\10x=20\\$

Divide the equation by 10:

x=2

Hence,

$DS=(7)(2)-4\\DS=14-4\\DS=SE=10\\DE=DS+SE\\DE=10+10\\DE=20$

Dubs answered Nov 16, 2023

by Dubs

7.7k points

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