Simplify 3+2x+4+5x-7

$3 + 2 x + 4 + 5 x - 7$

Step 1

Add $3$ and $4$ .

$2 x + 7 + 5 x - 7$

Step 2

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

Subtract $7$ from $7$ .

$2 x + 5 x + 0$

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

$2 x + 5 x$

Step 3

Add $2 x$ and $5 x$ .

$7 x$