medelyndanais9
medelyndanais9
14-04-2020
Mathematics
contestada
[tex]\frac{1}{7}d= -3[/tex]
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alyssa29464
alyssa29464
14-04-2020
d = -21
multiply both sides by 7
1/7d (7) = -3 (7)
reduce with greatest common factor
d = 7(-3)
change signs
d = -7(3)
solve
d=-21
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