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How do I solve for x

How do I solve for x-example-1

2 Answers

4 votes

5x - 15 = 3x + 1

5x - 3x = 1 + 15

2x = 16

x = 8

5 · 8 - 15 = 25° and 3 · 8 +1 = 25° OK !

⇒ 20x - 5 = 180 - 25 = 155°

Verify:

20 · 8 - 5 = = 160 - 5 = 155° correct



User Putzi San
by
8.4k points
2 votes
In other cases look for opposing angles that are equal, etc.
How do I solve for x-example-1
User Alxlives
by
8.3k points

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