Answer:
e=62
Explanation:
69
1. 180-49=131 (supplementary angle)
2. 2e-7=131 (solve for e)
3. 2e=138 (add to rhs to remove -7)
4. 2e/2 = 138/2 (divide rhs to remove x2)
5. E= 69 (138\2
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