Answer: i dont know
Step-by-step explanation:
Answer:
-3
but I don't know
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Answer: x = 4
2x - 3 + 4x = 21
6x - 3 = 21
6x - 3 (+3) = 21 (+3)
6x = 24
24/6
x = 4
Answer
it is 5 : )
i got y=-x
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