blondie345543
blondie345543
29-08-2016
Mathematics
contestada
Solve for Z: -53 ≥ -3(3z + 3) + 3z
Respuesta :
hai0612
hai0612
29-08-2016
-53 ≥ -3(3z + 3 ) + 3z
⇔ -53 ≥ -9z - 9 + 3z
⇔ -53 ≥ -6z - 9
⇔ -44 ≥ -6z
⇔ z ≥ 22/3
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