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2 Digit Numbers

Simplify each...

Question

Simplify each of the following algebraic expressions by removing grouping symbols.
5a − (3b − 2a + 4c)

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Solution

We have
5a − (3b − 2a + 4c)
Since the '-' sign precedes the parentheses, we have to change the sign of each term in the parentheses when we remove them.
= 5a - 3b + 2a - 4c
= 7a - 3b - 4c

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