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15-06-2018
Mathematics

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Given the equation 3x + 7 equals 13 which order of operations completely solve for x?

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15-06-2018

3x + 7 = 13

1) subtract 7 left and right

3x +7-7 = 13-7 => 3x = 6

2) divide by 3 left and right

3x/3 = 6/3 => x = 2

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