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5a 3 a 7 3
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5a-3.(a-7)=-3
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Answer to a math question 5a-3.(a-7)=-3
Eliseo
4.6
110
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$5a-3a+21=-3$
$2a+21=-3$
$2a=-3-21$
$2a=-24$
$a=-12$
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