Simplify 2b-7+3b+4-b+3

$2 b - 7 + 3 b + 4 - b + 3$

Add $2 b$ and $3 b$ .

$5 b - 7 + 4 - b + 3$

Subtract $b$ from $5 b$ .

$4 b - 7 + 4 + 3$

Add $- 7$ and $4$ .

$4 b - 3 + 3$

Combine the opposite terms in $4 b - 3 + 3$ .

Add $- 3$ and $3$ .

$4 b + 0$

Add $4 b$ and $0$ .

$4 b$

$4 b$

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