Simplify 20-15a+b+6+4a-4b

$20 - 15 a + b + 6 + 4 a - 4 b$

Step 1

Add $20$ and $6$ .

$- 15 a + b + 26 + 4 a - 4 b$

Step 2

Add $- 15 a$ and $4 a$ .

$- 11 a + b + 26 - 4 b$

Step 3

Subtract $4 b$ from $b$ .

$- 11 a - 3 b + 26$