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

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asked Apr 4, 2018 186k views

2 votes

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

Mathematics
middle-school

James Martineau asked

by James Martineau

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1 Answer

5 votes

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

Eaman answered Apr 10, 2018

by Eaman

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

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