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3 votes
Simplify the equation -3(5-7x)

User Mabroukb
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1 Answer

4 votes
The answer is 21x - 15.

To solve, distribute the -3 to the numbers in the parentheses.

-3 (5 - 7x)
-15 + 21x (Multiplying two negatives makes a positive)
21x - 15 (Commutative Property allows you to switch the numbers around)
User Kabilan S
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