davidalonso0523
davidalonso0523
11-06-2020
Mathematics
contestada
−38d−57≥−19d+76 i need this asap
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bankskamiia10
bankskamiia10
11-06-2020
X is greater than or equal to -7
How?
Add -19d to both sides.
-38d + 19d -57 is greater than or equal to 76
Add 57 to both sides.
-38d +19d is greater than or equal to 76 + 57
Collect like terms.
-19d is greater than or equal to 133
Divide both sides by -19
X is greater than or equal to -7
Answer Link
mama2245
mama2245
11-06-2020
−57≥−19d+76+38d
−57≥19d+76
−57−76≥19d
−133≥19d
-133/19 ≥ d
−7≥d
d≤−7
Answer Link
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