Pre-Algebra Examples

$4.5 x - 5.2 = 4$

Move all terms not containing $x$ to the right side of the equation.

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Since $- 5.2$ does not contain the variable to solve for, move it to the right side of the equation by adding $5.2$ to both sides.

$4.5 x = 5.2 + 4$

Add $5.2$ and $4$ to get $9.2$ .

$4.5 x = 9.2$

Divide each term by $4.5$ and simplify.

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Divide each term in $4.5 x = 9.2$ by $4.5$ .

$\frac{4.5 x}{4.5} = \frac{9.2}{4.5}$

Cancel the common factor of $4.5$ .

$x = \frac{9.2}{4.5}$

Divide $9.2$ by $4.5$ to get $2.0\overline{4}$ .

$x = 2.0\overline{4}$

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