Given x ∈ 1, 2, 3, 4, 5, 6, 7, 9 solve x – 3 < 2x – 1. - Vidyadip

Question

Given x ∈ {1, 2, 3, 4, 5, 6, 7, 9} solve x – 3 < 2x – 1.

✓

Answer

x – 3 < 2x – 1
x – 2x < – 1 + 3
⇒ – x < 2 x > – 2
But x ∈ {1, 2, 3, 4, 5, 6, 7, 9}
Solution set = {1, 2, 3, 4, 5, 6, 7, 9}

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Linear Inequations→Linear Inequations — all question types→Mathematics STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

Classify the following rnatrix:
$
\left|\begin{array}{ll}
2 & 1 \\
0 & 6 \\
8 & 7
\end{array}\right|
$

Find the sum of the following A.P.s : 2, 7, 12, … to 10 terms

Which of the following cannot be the probability of an event? -2.4

Evaluate if possible $\left[\begin{array}{cc}6 & 4 \\ 3 & -1\end{array}\right]\left[\begin{array}{c}-1 \\ 3\end{array}\right]$

Check whether the following are quadratic equations: $(2x + 1) (3x – 2) = 6(x + 1) (x – 2)$

Construct a rectangle ABCD with AB = 5 cm and AD = 3cm. Construct its lines of symmetry.

Draw a diagram and name the figure in the following:
A quadrilateral having four lines of symmetry, two of which contain its diagonals.

Find the sub-duplicate ratio of 9: 16

If $A=\left[\begin{array}{cc}0 & 2 \\ 5 & -2\end{array}\right], B=\left[\begin{array}{cc}1 & -1 \\ 3 & 2\end{array}\right]$ and $I$ is a unit matrix of order $2 \times 2$ find $AB$

Evaluate if possible $[3 \ 2 ]\left[\begin{array}{l}2 \\ 0\end{array}\right]$