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Q: Is 2 a solution of the inequality 2x 5 9?

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The inequality with the terms 2x, 3 and 7 can be written as 2x -3 = 7, 2x + 3 = 7, 2x * 3 = 7, and 2x/3 = 7. This means that the solutions are 5, 2, 7/4, and 21/2 respectively.

There is no solution to: 4(2x + 2) + 12 > 1004(2x + 2) + 12 > 100 For 4(2x + 2) + 12 > 1004(2x + 2) + 12 to have a solution x < -1 which makes 1004(2x + 2) + 12 < 12, BUT 1004(2x + 2) + 12 is supposed to be greater than 100. Perhaps there is a missing operator in the digits of 1004?

four and nine tenthsAny number that's two or less.Each of the numbers below is a solution of the inequality 2x + 3 > 70 ZeroEach of the numbers below is a solution of the inequality 2x + 3 > 7 EXCEPT105430

y=2x-4 y=2x-5 y=1 1=2x-4 -2x = -5 x=2/5 the solution is (x,y) = (2/5,1)

Flip. You need to reverse the inequality when multiplying or dividing by a negative. -2x < 10 (-1)*(-2x) < (-1)*10 2x > -10 x > -5

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Blue is not a solution.

2x-6 < 5+7x 2x-7x < 5+6 -5x < 11 x > -2.5

The inequality with the terms 2x, 3 and 7 can be written as 2x -3 = 7, 2x + 3 = 7, 2x * 3 = 7, and 2x/3 = 7. This means that the solutions are 5, 2, 7/4, and 21/2 respectively.

There is no solution to: 4(2x + 2) + 12 > 1004(2x + 2) + 12 > 100 For 4(2x + 2) + 12 > 1004(2x + 2) + 12 to have a solution x < -1 which makes 1004(2x + 2) + 12 < 12, BUT 1004(2x + 2) + 12 is supposed to be greater than 100. Perhaps there is a missing operator in the digits of 1004?

four and nine tenthsAny number that's two or less.Each of the numbers below is a solution of the inequality 2x + 3 > 70 ZeroEach of the numbers below is a solution of the inequality 2x + 3 > 7 EXCEPT105430

-2

y=2x-4 y=2x-5 y=1 1=2x-4 -2x = -5 x=2/5 the solution is (x,y) = (2/5,1)

2x - 3 = 2x - 52x = 2x - 22x - 2x = -20 =/= -2Zero is not equal to -2 so the answer is no solution.

2x -5 = 2-12x -5 +5= 2-1+52x = 62x/2 = 6/2x = 3

2x + 5 = 192x + 5 - 5 = 19-52x = 142x/2 = 14/2x = 7

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-2x + 4 < 10 -4 -4 --------------------- -2x < 10 --- ---- (divide) -2x -2x ---------------- -x > -5 (switch the sign when you divide by a negative) Hope that helps :)

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