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Solve for the unknown 8k-2k=42

Sagot :

ANSWER

k = 7

EXPLANATION

The unknown variable in this equation is k,

[tex]8k-2k=42[/tex]

To find its value, first, we have to combine like terms. This means that on the left side of the equation, we have to combine the coefficients of k,

[tex]\begin{gathered} (8-2)k=42 \\ \\ 6k=42 \end{gathered}[/tex]

And then, divide both sides by 6,

[tex]\begin{gathered} \frac{6k}{6}=\frac{42}{6} \\ \\ k=7 \end{gathered}[/tex]

Hence, the value of k is 7.