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Sariah Giles
Mathematics
2 August, 05:04
Simplify the equation - 3 (5-7x)
+3
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Cristina Ewing
2 August, 05:08
0
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)
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