Example of linear in - equation - linear algebra, Mathematics

INTRODUCTION : Most of us, when planning the first mathematical experience for three-year olds, think in terms of helping them memorise numbers from 1 to 20. We also teach them to

Puzzle, how i will paid?

how i will paid?

Tied rankings, Tied Rankings A slight adjustment to the formula is mad...

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Aliena 2/12/2013 2:52:20 AM try this it will definately help you, in understanding the linear in - equation.. Solve the given: i. 7 - 2x > - 11 ; ii. -5x + 4 ≤ 2x - 10 ; iii. -3 ≤ 2x + 1 < 7 ; Solutions i. 7 - 2x > -11 -(2x) > -18 (by using subtraction rule) -(2x)/-2 < -18/-2 (by using division rule) X < 9 ii. -(5x) + 4 < 2x -10 -(7x) + 4 < -10 (by using subtraction rule) -(7x) < -14 (by using subtraction rule) X > 2 (by using division rule) iii. -3 < 2x + 1 < 7 -4 < 2x < 6 (by using subtraction rule) -2x < x < 3 (by using division rule)

Aliena

2/12/2013 2:52:20 AM

try this it will definately help you, in understanding the linear in - equation..

Solve the given:

i. 7 - 2x > - 11 ;

ii. -5x + 4 ≤ 2x - 10 ;

iii. -3 ≤ 2x + 1 < 7 ;

Solutions

i. 7 - 2x > -11

-(2x) > -18 (by using subtraction rule)

-(2x)/-2 < -18/-2 (by using division rule)

X < 9

ii. -(5x) + 4 < 2x -10

-(7x) + 4 < -10 (by using subtraction rule)

-(7x) < -14 (by using subtraction rule)

X > 2 (by using division rule)

iii. -3 < 2x + 1 < 7

-4 < 2x < 6 (by using subtraction rule)

-2x < x < 3 (by using division rule)

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