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OpenStudy (anonymous):
Which statement is true for the equation 2x - 2x - 7 = -7? A. It has infinitely many solutions B. It has two solutions C. It has one solution D. it has no solution
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pooja195 (pooja195):
Have you solved it yet?
OpenStudy (anonymous):
no
pooja195 (pooja195):
Solve it please.
pooja195 (pooja195):
2x - 2x - 7 = -7 Combine like terms 2-2=?
OpenStudy (anonymous):
zero
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pooja195 (pooja195):
Good now we are trying to isolate x so we add 7 to both sides -7+7=?
pooja195 (pooja195):
?
pooja195 (pooja195):
7-7=?
OpenStudy (anonymous):
zero
pooja195 (pooja195):
Good so when we have 0=0 or a number = the same number it would be infinte solutions
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OpenStudy (anonymous):
ohh okayy thank youu
pooja195 (pooja195):
:)
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