Below is a right angled triangle. Find possible values of x. 2x+3. 2x+4. 5x+1

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asked Jul 28, 2017 91.8k views

1 vote

Below is a right angled triangle. Find possible values of x. 2x+3. 2x+4. 5x+1

Mathematics
high-school

Strickland asked

by Strickland

8.4k points

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1 Answer

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2x +3 + 2x + 4 + 5x + 1 = 0
2x + 2x + 5x + 3 + 4 + 1
2x + 2x = 4x
4x + 5x = 9x
9x + 3 + 4 = 9x + 7
9x + 7 + 1
9x + 8 = 0
0 - 8 =-8
9x / 9 = 8 / 9
x = -8/9

David Oneill answered Aug 4, 2017

by David Oneill

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