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Q: What is the value of r in the equation r plus 14 equals 39?

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25

4

r = 25

3d + 14 = 11 is the equation.

This equation has no value, as the value of n could be anything, giving this equation an infinite number of answers. To answer this equation, you either need to know what n is, or have an equals sign.

43

It is an equation and the value of n is 14

2x + y = 25 x + y = 14 Subtract second equation from the first: x = 11 Substitute this value of x in the second equation: 11 + y = 14 ie y = 3

No unfortunately this is not an equation. An equation must end with an equals sign. 5b + 14 is simply two terms.

y is the variable

x = 6

x = 19

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