Answer :

Answer:

• n=10

,

• r=7

Explanation:

No 6

Given the equation:

[tex]6=n-4[/tex]

To solve for n, add 4 to both sides of the equation:

[tex]\begin{gathered} 6+4=n-4+4 \\ 10=n \end{gathered}[/tex]

The value of n is 10.

No 7

Given the equation:

[tex]r-2=5[/tex]

To solve for r, add 2 to both sides of the equation:

[tex]\begin{gathered} r-2+2=5+2 \\ r=7 \end{gathered}[/tex]

The value of r is 7.

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