1.

Solve the linear Inequations in R.3x + 9 ≥ – x + 19

Answer»

Given as 3x + 9 ≥ – x + 19

3x + 9 – 9 ≥ – x + 19 – 9

3x ≥ – x + 10

3x + x ≥ – x + 10 + x

4x ≥ 10

Divide both sides by 4, we get

4x/4 ≥ 10/4

x ≥ 5/2

Therefore, the solution of the given inequation is (5/2, ∞).



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