Subtract
$4 a + 3 b$ from $2 a + 2 b - 4$ .

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Solution

Let us subtract the given expression $4 a + 3 b$ from $2 a + 2 b - 4$ as shown below:

$(2 a + 2 b - 4) - (4 a + 3 b) = 2 a + 2 b - 4 - 4 a - 3 b = (2 a - 4 a) + (2 b - 3 b) - 4 (C o m b i n i n g l i k e t e r m s) = (2 - 4) a + (2 - 3) b - 4 = - 2 a - b - 4$

Hence, $(2 a + 2 b - 4) - (4 a + 3 b) = - 2 a - b - 4$ .

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