nukguillory4625 nukguillory4625

20-07-2017
Mathematics

contestada

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?

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texaschic101 texaschic101

20-07-2017

3(x - 7) = 23 - (3x + 2) =
3x - 21 = 23 - 3x - 2 =
3x - 21 = -3x + 21
3x + 3x = 21 + 21
6x = 42
x = 42/6
x = 7 <==

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