Pre-Algebra Examples

$19 x - y - 2 z + x + 5 y + 2 z$

Step 1

Combine the opposite terms in $19 x - y - 2 z + x + 5 y + 2 z$ .

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Step 1.1

Add $- 2 z$ and $2 z$ .

$19 x - y + x + 5 y + 0$

Step 1.2

Add $19 x - y + x + 5 y$ and $0$ .

$19 x - y + x + 5 y$

Step 2

Add $19 x$ and $x$ .

$20 x - y + 5 y$

Step 3

Add $- y$ and $5 y$ .

$20 x + 4 y$