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MATH HELP? INEQUALITY?

0 votes
Solve the inequality:
 n
 _   +5>4
 -3

and solve this one too

3a-4 ≥ 5
asked Nov 13, 2013 in ALGEBRA 1 by andrew Scholar

1 Answer

0 votes

1) n/-3+5 > 4

Subtract 5 from each side.

n/-3+5-5 > 4-5

n/-3 >-1

Multiply to each side by negitive 3 and change the symbol.

n/-3*-3 < -1*-3

n < 3

2) 3a-4 ≥ 5

Add 4 to each side.

3a-4+4 ≥ 5+4

3a ≥ 9

Divide to each side by 3.

3a/3 ≥ 9/3

a ≥ 3

Solution n < 3 and a ≥ 3

answered Nov 13, 2013 by william Mentor

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