Simplify (2x-3)+(5x+3)+(7x-1)

$(2 x - 3) + (5 x + 3) + (7 x - 1)$

Remove parentheses.

$2 x - 3 + 5 x + 3 + 7 x - 1$

Combine the opposite terms in $2 x - 3 + 5 x + 3 + 7 x - 1$ .

Add $- 3$ and $3$ .

$2 x + 5 x + 0 + 7 x - 1$

Add $2 x + 5 x$ and $0$ .

$2 x + 5 x + 7 x - 1$

Add $2 x$ and $5 x$ .

$7 x + 7 x - 1$

Add $7 x$ and $7 x$ .

$14 x - 1$