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Anonymous
5b
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-4b+2 = 18 -4b = 18-2 -4b = 16 b = -4
It is: 4b+6
5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)
(b + 2)(b + 2) or (b + 2)2
Your equation cannot be solved. So we simplify using fun algebra! 4b + b = 5b