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Grady
Mathematics
12 June, 06:03
What is 10xy - (2y+x) when x=3 and y=7
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Ryder
12 June, 06:05
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10 (3) (7) - (2[7]+3)
10 (21) - (14+3)
210-17
193
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Patience Pollard
12 June, 06:15
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If you want to evaluate 10*x*y - (2*y + x) and you know values of the x and the y (in this case, x = 3 and y = 7), you just have to insert these numbers instead of the x and the y.
So, 10*x*y - (2*y + x) equals to 10*3*7 - (2*7 + 3). Now, you have to multiply 10, 3 and 7 and you get 210. In the next step you have to multiply 2 and 7 (which is 14) and add 3 to this result. In the last step you have to subtract 17 from 210; 210 - 17 = 193.
The correct result is 193.
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