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Solve for x. Show all work.
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2 votes
Solve for x. Show all work.

Solve for x. Show all work.-example-1
User Buddybubble
by
4.8k points

2 Answers

1 vote

Answer:

x= 10

Explanation:

By similar triangles:

3x - 5 / (3x - 5 +10) = 20 / 28

3x-5 / 3x+5 = 5/7

7(3x - 5) = 5(3x + 5)

21x - 35 = 15x + 25

6x = 60

x = 10.

User Dave White
by
4.7k points
8 votes

Answer:

x = 10.

Explanation:

By similar triangles:

3x - 5 / (3x - 5 +10) = 20 / 28

3x-5 / 3x+5 = 5/7

7(3x - 5) = 5(3x + 5)

21x - 35 = 15x + 25

6x = 60

x = 10.

User Thomas Mitchell
by
5.5k points
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