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Greeley [361]
3 years ago
9

9-78 help me show work I need all ur help !

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0
Angle 4 and 1 are the same. Since angle 4 is 49 degrees so is angle 1. So just plug 49 into the equation for angle 1 and that would look like 49=3x-18. Then solve. Check your work with other equations given.
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