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OpenStudy (anonymous):
220=2x-12x how many solutions are there to this equation
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OpenStudy (anonymous):
there will be one solution to the equation 220=2x-12x 220=-10x x=220/-10 x= - 22 so get only one solution.
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
there is a smiple rule for this number of variables = number of solutions. you're most welcome :)
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