Algebra Examples

$x + 4 (3.5 x) = 15$

Step 1

Simplify $x + 4 \cdot (3.5 x)$ .

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Step 1.1

Multiply $3.5$ by $4$ .

$x + 14 x = 15$

Step 1.2

Add $x$ and $14 x$ .

$15 x = 15$

Step 2

Divide each term in $15 x = 15$ by $15$ and simplify.

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Step 2.1

Divide each term in $15 x = 15$ by $15$ .

$\frac{15 x}{15} = \frac{15}{15}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $15$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{15 x}{15} = \frac{15}{15}$

Step 2.2.1.2

Divide $x$ by $1$ .

$x = \frac{15}{15}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide $15$ by $15$ .

$x = 1$