Simplify (12x-5y)+(4x+5y)

$(12 x - 5 y) + (4 x + 5 y)$

Step 1

Remove parentheses.

$12 x - 5 y + 4 x + 5 y$

Step 2

Combine the opposite terms in $12 x - 5 y + 4 x + 5 y$ .

Add $- 5 y$ and $5 y$ .

$12 x + 4 x + 0$

Add $12 x + 4 x$ and $0$ .

$12 x + 4 x$

Step 3

Add $12 x$ and $4 x$ .

$16 x$