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Exercise

$3y-x+5;\:x=2;\:y=-1$

Step-by-step Solution

1

Calculate the numerical value for $3y-x+5$ when $x=2$ and $y=-1$. Replace the unknowns with their corresponding values

$3\cdot -1- 2+5$
2

Multiply $3$ times $-1$

$-3- 2+5$
3

Multiply $-1$ times $2$

$-3-2+5$
4

Subtract the values $-3$ and $-2$

$-5+5$
5

Subtract the values $5$ and $-5$

0

Final answer to the exercise

0

Try other ways to solve this exercise

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  • FOIL Method
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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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