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Which equation is true when k= -15A) 3k - 11 = -34B) - 53 + 4k = 7C) k/3 + 17 = 12D) k/5 + 2.5 = 0.5

Sagot :

We are given some equations and asked to find out which equation is true when k = -15

Note that an equation is true when left-hand side of the equation is equal to the right-hand side of the equation.

Let us substitute k = -15 into each of the given equation

A)

[tex]\begin{gathered} 3k-11=-34 \\ 3(-15)-11=-34_{} \\ -45-11=-34 \\ -56\ne-34 \end{gathered}[/tex]

As you can see, the equation is not true since the left-hand side is not equal to the right-hand side.