1 . If 2x+7=12, then what is the value of 4x-7?
Answer: Option C
Explanation:
2x + 7 = 12
= > 2x = 12 - 7
= > 2x = 5
= > x = 2.5
4x - 7 = 4. 2.5 - 7 = 10 - 7 = 3
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