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Can someone teach me how to solve this? the lesson didnt show anything about it

Can someone teach me how to solve this? the lesson didnt show anything about it-example-1

1 Answer

2 votes
The answer is 10

work:
3x+15=5x-5
-3x+5 -3x+5
20=2x
20/2 2x/2
10=x
User Chris Zeh
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