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Solve for $n$ . $\newline$ $n - 7 = 3$ $\newline$ $n =$ $\_\_\_\_\_$

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Solve one-step addition and subtraction equations with whole numbers

Full solution

Q. Solve for

n

.

\newline

n - 7 = 3

\newline

n =

\_\_\_\_\_

Isolate $n$ : $n - 7 = 3$ $\newline$ To solve for $n$ , we need to isolate $n$ on one side of the equation. $\newline$ We can do this by adding $7$ to both sides of the equation to cancel out the $-7$ on the left side. $\newline$ $n - 7 + 7 = 3 + 7$
Add $7$ : $n = 10$ $\newline$ After adding $7$ to both sides, we find that $n$ is equal to $10$ . $\newline$ This is the solution to the equation.

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