Simply it:
a - (b - 2a)
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a-b = a-b
2 @+b = 3a-b
here our is 3ab
+2+1 =3 so
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Answered by
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Answer:
3a-b
Step-by-step explanation:
1 Remove parentheses.
a−b+2a
2 Collect like terms.
(a+2a)−b
3 Simplify.
3a−b
DONE!!
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