Basic Math Examples

$- 7 y + 9 y = 7 - 17$

Step 1

Add $- 7 y$ and $9 y$ .

$2 y = 7 - 17$

Step 2

Subtract $17$ from $7$ .

$2 y = - 10$

Step 3

Divide each term in $2 y = - 10$ by $2$ and simplify.

Tap for more steps...

Step 3.1

Divide each term in $2 y = - 10$ by $2$ .

$\frac{2 y}{2} = \frac{- 10}{2}$

Step 3.2

Simplify the left side.

Tap for more steps...

Step 3.2.1

Cancel the common factor of $2$ .

Tap for more steps...

Step 3.2.1.1

Cancel the common factor.

$\frac{2 y}{2} = \frac{- 10}{2}$

Step 3.2.1.2

Divide $y$ by $1$ .

$y = \frac{- 10}{2}$

Step 3.3

Simplify the right side.

Tap for more steps...

Step 3.3.1

Divide $- 10$ by $2$ .

$y = - 5$