1) 2x + 9 = 2x -5
9 ≠ -5 ; No solution
2) 2x- 1 = x + 3
x = 4; One solution x = 4
3) x + 2 = x + 2
0 = 0; Identity (or all real numbers)
Answer:
B) x < 9 or x > 23
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I'm so sorry if I'm not correct, but that's the only answer that makes any sense to the sentence.
Answer:
X= 7
Y= 16
Step-by-step explanation:
Solve x then Y
Answer:
its sulfur because they have higher electronegativity such as n, o, f, (flourine)