Basic Math Examples

$9 - 7 p = p + 1 - 7 p$

Step 1

Since $p$ is on the right side of the equation, switch the sides so it is on the left side of the equation.

$p + 1 - 7 p = 9 - 7 p$

Step 2

Subtract $7 p$ from $p$ .

$- 6 p + 1 = 9 - 7 p$

Step 3

Move all terms containing $p$ to the left side of the equation.

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Step 3.1

Add $7 p$ to both sides of the equation.

$- 6 p + 1 + 7 p = 9$

Step 3.2

Add $- 6 p$ and $7 p$ .

$p + 1 = 9$

Step 4

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

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Step 4.1

Subtract $1$ from both sides of the equation.

$p = 9 - 1$

Step 4.2

Subtract $1$ from $9$ .

$p = 8$