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Which of the values below is a solution for the inequality?

[tex]2x - 3 \leq 10[/tex]

A. [tex]x = 26[/tex]
B. [tex]x = 7[/tex]
C. [tex]x = 5[/tex]
D. [tex]x = 10[/tex]


Sagot :

To determine which of the values satisfy the inequality [tex]\( 2x - 3 \leq 10 \)[/tex], we need to verify each value by substituting it into the inequality and checking if the result holds true. Let's proceed with each provided value step-by-step.

1. Check [tex]\( x = 26 \)[/tex]:
[tex]\[ 2(26) - 3 \leq 10 \][/tex]
[tex]\[ 52 - 3 \leq 10 \][/tex]
[tex]\[ 49 \leq 10 \quad \text{(False)} \][/tex]
Since [tex]\( 49 \)[/tex] is not less than or equal to [tex]\( 10 \)[/tex], [tex]\( x = 26 \)[/tex] is not a solution.

2. Check [tex]\( x = 7 \)[/tex]:
[tex]\[ 2(7) - 3 \leq 10 \][/tex]
[tex]\[ 14 - 3 \leq 10 \][/tex]
[tex]\[ 11 \leq 10 \quad \text{(False)} \][/tex]
Since [tex]\( 11 \)[/tex] is not less than or equal to [tex]\( 10 \)[/tex], [tex]\( x = 7 \)[/tex] is not a solution.

3. Check [tex]\( x = 5 \)[/tex]:
[tex]\[ 2(5) - 3 \leq 10 \][/tex]
[tex]\[ 10 - 3 \leq 10 \][/tex]
[tex]\[ 7 \leq 10 \quad \text{(True)} \][/tex]
Since [tex]\( 7 \)[/tex] is less than or equal to [tex]\( 10 \)[/tex], [tex]\( x = 5 \)[/tex] is a valid solution.

4. Check [tex]\( x = 10 \)[/tex]:
[tex]\[ 2(10) - 3 \leq 10 \][/tex]
[tex]\[ 20 - 3 \leq 10 \][/tex]
[tex]\[ 17 \leq 10 \quad \text{(False)} \][/tex]
Since [tex]\( 17 \)[/tex] is not less than or equal to [tex]\( 10 \)[/tex], [tex]\( x = 10 \)[/tex] is not a solution.

By evaluating each of the given values, we find that the only value that satisfies the inequality [tex]\( 2x - 3 \leq 10 \)[/tex] is [tex]\( x = 5 \)[/tex].

Therefore, the solution is:
[tex]\[ x = 5 \][/tex]
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