andtam
andtam
21-03-2017
Mathematics
contestada
-3×+4=-17 is an equation I don't understand
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Аноним
Аноним
21-03-2017
It is an equation, since it has many operations in it, and importantly, it has an equal sign. EQUation.
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Blackpanther156
Blackpanther156
21-03-2017
Alright, so what you're going to want to do is subtract 4 from both sides of the equation.
-3x + 4 - 4 = -17 - 4 = -3x = -21
No divide -21 by -3.
Since a negative number divided by another negative number is always positive, your answer is x = 7
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