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Solve the equation.

x-21=6

x=

Solve the equation. $\newline$ $x-21=6$ $\newline$ $x=$

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Solve one-step equations with whole numbers

Full solution

Q. Solve the equation.

\newline

x-21=6

\newline

x=

Isolate $x$ by adding $21$ : To isolate $x$ on one side of the equation, we need to get rid of the $-21$ that is subtracted from $x$ . We can do this by adding $21$ to both sides of the equation. $\newline$ $x - 21 + 21 = 6 + 21$
Simplify the equation: Now, we simplify both sides of the equation by performing the addition. $x = 6 + 21$
Find the value of x: Adding $6$ and $21$ gives us the value of $x$ . $\newline$ $x = 27$

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