madipc04 madipc04

07-12-2017
Mathematics

contestada

Write an indirect proof.
Given: 5x+7≥52
Prove: x≥9

Respuesta :

hienh4517 hienh4517

07-12-2017

Subtract 7 both sides
52-7=45
45 divide 5x = 9
X greater than 9 or equal 9

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