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Solve for
u :

{:[-10.74=u-(-11)],[u=◻]:}

Solve for $u$ : $\newline$ $\begin{array}{l} -10.74=u-(-11) \\ u=\square \end{array}$

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Multiply two decimals: where does the decimal point go?

Full solution

Q. Solve for

u

:

\newline

\begin{array}{l} -10.74=u-(-11) \\ u=\square \end{array}

Analyze Equation: Analyze the first equation in the system. $\newline$ The first equation is $-10.74 = u - (-11)$ . This can be simplified by removing the double negative on the right side of the equation.
Simplify Equation: Simplify the equation by adding $11$ to both sides. $\newline$ $-10.74 = u - (-11)$ becomes $-10.74 = u + 11$ .
Subtract to Solve: Subtract $11$ from both sides to solve for $u$ .
$-10.74 - 11 = u + 11 - 11$
This simplifies to $-21.74 = u$ .
Check Solution: Check the solution by substituting the value of $u$ back into the original equation. $\newline$ $-10.74 = -21.74 - (-11)$ $\newline$ $-10.74 = -21.74 + 11$ $\newline$ $-10.74 = -10.74$ $\newline$ The left side equals the right side, so the solution is correct.

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