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OpenStudy (anonymous):
Simplify the expression -9 + 7 A; -2 B; 2 C; 16 D; -16
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OpenStudy (naga447):
-2
OpenStudy (anonymous):
You can rewrite this as \[ -9+7 = 7-9 \] So solve for 7-9.
OpenStudy (anonymous):
Thanks guys.
OpenStudy (anonymous):
because the signs are different subtract them and then take the sign of the bigger number...as indicated above
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