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Dont know how to solve for x can someone help me

Dont know how to solve for x can someone help me-example-1

1 Answer

6 votes
57 + x + x + 130 = 167
57 + 2x + 130 = 167
187 + 2x = 167
- 187 - 187
---------------------------
2x = -20
------ -------
2 2

x = -10
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