Algebra Examples

x + 3 + x - 8 + x = 55

$x + 3 + x - 8 + x = 55$

Step 1

Simplify

x + 3 + x - 8 + x

$x + 3 + x - 8 + x$ .

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Step 1.1

Add

x

$x$ and

x

$x$ .

2 x + 3 - 8 + x = 55

$2 x + 3 - 8 + x = 55$

Step 1.2

Add

2 x

$2 x$ and

x

$x$ .

3 x + 3 - 8 = 55

$3 x + 3 - 8 = 55$

Step 1.3

Subtract

8

$8$ from

3

$3$ .

3 x - 5 = 55

$3 x - 5 = 55$

3 x - 5 = 55

$3 x - 5 = 55$

Step 2

Move all terms not containing

x

$x$ to the right side of the equation.

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Step 2.1

Add

5

$5$ to both sides of the equation.

3 x = 55 + 5

$3 x = 55 + 5$

Step 2.2

Add

55

$55$ and

5

$5$ .

3 x = 60

$3 x = 60$

3 x = 60

$3 x = 60$

Step 3

Divide each term in

3 x = 60

$3 x = 60$ by

3

$3$ and simplify.

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Step 3.1

Divide each term in

3 x = 60

$3 x = 60$ by

3

$3$ .

\frac{3 x}{3} = \frac{60}{3}

$\frac{3 x}{3} = \frac{60}{3}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of

3

$3$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{3 x}{3} = \frac{60}{3}$

Step 3.2.1.2

Divide

$x$ by

$1$ .

$x = \frac{60}{3}$

$x = \frac{60}{3}$

$x = \frac{60}{3}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Divide

$60$ by

$3$ .

$x = 20$

$x = 20$

$x = 20$

$x + 3 + x - 8 + x = 55$

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