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08-12-2020
Mathematics

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which expression is equivalent to this expression: 21x + 35
a: 19x + 2x + 15 + 20
b: 7x + 3x + 35
c: 7(3x - 6)
d: None Of The Above

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08-12-2020

Answer: a

Step-by-step explanation: 19x+ 2x=21x. Then 20+15 is 35. So it would be 21x+35

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