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Exercise

$3x-8\:;\:x=-5$

Step-by-step Solution

1

Calculate the numerical value for $3x-8$ when $x=-5$. Replace the unknowns with their corresponding values

$3\cdot -5-8$
2

Multiply $3$ times $-5$

$-15-8$
3

Subtract the values $-15$ and $-8$

$-23$

Final answer to the exercise

$-23$

Try other ways to solve this exercise

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  • FOIL Method
  • Integrate by substitution
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  • Integrate by trigonometric substitution
  • Weierstrass Substitution
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Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.

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