donovangragg1 donovangragg1

25-01-2020
Mathematics

contestada

Find the sum of all positive whole numbers x such that 2x-7 < 21.

Respuesta :

phillipssimone8 phillipssimone8

25-01-2020

Answer:

x=14

Step-by-step explanation:

2x-7<21

+7=0

2×<21+7=28

2×/2=0

2/28

=14

Answer Link

hamza1154 hamza1154

10-12-2020

Answer:

91

Step-by-step explanation:

Trust me, it's an Aops question, and I got mastery on it, or blue if you want.

Answer Link

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