Basic Math Examples

$- (2 y - 4 y + 7)$

Step 1

Subtract $4 y$ from $2 y$ .

$- (- 2 y + 7)$

Step 2

Apply the distributive property.

$- (- 2 y) - 1 \cdot 7$

Step 3

Multiply.

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Step 3.1

Multiply $- 2$ by $- 1$ .

$2 y - 1 \cdot 7$

Step 3.2

Multiply $- 1$ by $7$ .

$2 y - 7$

$2 y - 7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$