solve it fast !!! maths
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I HOPE THIS ANSWER WILL HELP U DEAR ❤️❤️✌️✌️
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2
Answer:
= 11/ 2
Step-by-step explanation:
21 - 3 ( b - 7 ) = b + 20
21 - 3b + 21 = b + 20
21 + 21 - 20 = b + 3b
22 = 4b
b = 22 / 4
b = 11/ 2
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