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OpenStudy (anonymous):
Simplify the expression 2x(3+5-1)x2 A) 14 B) 21 C) 28 D)30 Please help!
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OpenStudy (anonymous):
The answer is C.) 28. You do the parenthesis first. Then the multiplication is commutative.
OpenStudy (anonymous):
3+5 = 8 8 - 1 = 7 2 x 7 = 14 14 x 2 is 28.
OpenStudy (anonymous):
28
OpenStudy (anonymous):
2x(3+5-1)X2 3+5=8 2x(8-1)X2 2x(7)X2 2X7X2 14X7=28x
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