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OpenStudy (anonymous):
3c - 8c + 7 = -18
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OpenStudy (anonymous):
combine like terms which is 3c and -8c
OpenStudy (anonymous):
which is -5c
OpenStudy (anonymous):
then -5c+7=18
OpenStudy (anonymous):
add 7 on both sides
OpenStudy (anonymous):
7+ 18 = 25
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OpenStudy (anonymous):
-5c=25 divide both sides by -5
OpenStudy (anonymous):
c=-5
OpenStudy (anonymous):
frst thing you do is combine like terms -5c +7 = -18 subtract 7 to both side -5c=25 divide -5 to both side =-5 answer is -5
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