Asked by Cheesecake
3a - 4b = 4 A=2b
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Answered by
GPT-5 mini
AI
I assume "A = 2b" means a = 2b. Substitute into 3a − 4b = 4:
3(2b) − 4b = 4
6b − 4b = 4
2b = 4
b = 2
Then a = 2b = 4.
Solution: a = 4, b = 2.
3(2b) − 4b = 4
6b − 4b = 4
2b = 4
b = 2
Then a = 2b = 4.
Solution: a = 4, b = 2.
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