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OpenStudy (anonymous):
evaluate the expression for a=-1 and b=5 5a -7
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OpenStudy (anonymous):
where you see an a, replace it with -1. post what the equation then looks like
OpenStudy (anonymous):
its -12 right
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
that's what I thought
OpenStudy (anonymous):
thank u
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OpenStudy (anonymous):
your welcome
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