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Goon
Mathematics
14 November, 15:49
How do you solve this problem 5x+12=x-4
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Vazquez
14 November, 16:00
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5x + 12 = x - 4
-12 - 12
5x = x - 16
-x - x
4x = - 16
4x = - 16
___ ___ 4x & 4 cancel each other out so you are left with x & - 16/4 which
4 4 equals x = - 4
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Rodney Aguirre
14 November, 16:12
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You start sorting the terms. For instance, the x's go left, and the numbers go right. Remember that if you move something to the other side, the sign flips.
So lets move the x to the left and the + 12 to the right:
5x-x = - 4-12
Now we simplify
4x = - 16
x = - 4
done.
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