Pre-Algebra Examples

$(7 x + 3 y - z) + (6 x - 2 y + 3 z)$

Step 1

Remove parentheses.

$7 x + 3 y - z + 6 x - 2 y + 3 z$

Step 2

Add $7 x$ and $6 x$ .

$13 x + 3 y - z - 2 y + 3 z$

Step 3

Subtract $2 y$ from $3 y$ .

$13 x + y - z + 3 z$

Step 4

Add $- z$ and $3 z$ .

$13 x + y + 2 z$

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