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OpenStudy (anonymous):
Solve the equation 3(a + 3) – 6 = 21.
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OpenStudy (anonymous):
it is 6
OpenStudy (anonymous):
3(a+3)-6=21 3(a+3)=21+6 3(a+3)=27 (a+3)=27/3 (a+3)=9 a=9-3 a=6
OpenStudy (anonymous):
Thanks that really helps.
OpenStudy (anonymous):
You're welcome.
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