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OpenStudy (anonymous):
-23 = 2a -10 - a : explain please
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OpenStudy (anonymous):
in order to isolate a we will add +10 to both sides of the equation what will you have ?
OpenStudy (anonymous):
-13=2a
OpenStudy (anonymous):
-23 + 10 = 2a - a -13 = a
OpenStudy (anonymous):
you forgot about the '-a'
OpenStudy (anonymous):
oh....thank you
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OpenStudy (anonymous):
yw
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