Basic Math Examples

$3 y - 30 + y + 20 + 5 y - \frac{80}{3}$

Step 1

Add $3 y$ and $y$ .

$4 y - 30 + 20 + 5 y - \frac{80}{3}$

Step 2

Add $4 y$ and $5 y$ .

$9 y - 30 + 20 - \frac{80}{3}$

Step 3

Add $- 30$ and $20$ .

$9 y - 10 - \frac{80}{3}$

Step 4

To write $- 10$ as a fraction with a common denominator, multiply by $\frac{3}{3}$ .

$9 y - 10 \cdot \frac{3}{3} - \frac{80}{3}$

Step 5

Combine $- 10$ and $\frac{3}{3}$ .

$9 y + \frac{- 10 \cdot 3}{3} - \frac{80}{3}$

Step 6

Combine the numerators over the common denominator.

$9 y + \frac{- 10 \cdot 3 - 80}{3}$

Step 7

Simplify the numerator.

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Step 7.1

Multiply $- 10$ by $3$ .

$9 y + \frac{- 30 - 80}{3}$

Step 7.2

Subtract $80$ from $- 30$ .

$9 y + \frac{- 110}{3}$

Step 8

Move the negative in front of the fraction.

$9 y - \frac{110}{3}$