Someone please help me on this question
2 answers:
Answer: u = 69
Step-by-step explanation:
u + (-78) = (-9)
u - 78 = (-9)
u = (-9) + 78
u = 78 - 9
u = 69
u + -78 = -9
We add 78 to both sides,
u = -9 + 78 = 69
Answer: 69
Took me three tries.
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