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MaryJo decided to solve the equation 3x - 2 = -x - 6
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Jan 27, 2015
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MaryJo decided to solve the equation 3x - 2 = -x - 6
Mathematics
high-school
Ford Guo
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3x - 2 = -x - 6
3x + x = -6 + 2
4x = -4
x = -1
Stefan Salatic
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Jan 29, 2015
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Stefan Salatic
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3x-2=-x-6
do the inverse and add 2 to the whole number on the other side which is -6
3x=-x-4
do the inverse with the variable -x and add x to 3x
4x=-4
divide -4/4 since the inverse of multiplication is division
x=-1
Mirco Dotta
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Feb 1, 2015
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