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Solve the following expression.
$(a + b) -2a+ 4b$
Given: $(a + b) -2a+ 4b$
To do: Solve the following expression.
Solution:
$(a + b) -2a+ 4b$
$a + b -2a+ 4b$
$a-2a+b+4b$
$-a+5b$
Therefore the solution is $-a+5b$
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