Question 717404
simplify.. -7-(5x-4)
Im thinking it cant go any further, but not sure if you can take a quantity with unknown interval from a number???
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I have no idea what you mean.
simplify.. -7-(5x-4)
= -7 -5x + 4
= -3 + 5x
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PS  1 ? is sufficient.
More than 1 makes you look stupid.