Respuesta :
Answer:
a + b
Step-by-step explanation:
3(a + b) - 2a - 2b
open the parenthesis
3 * a + 3 * b - 2a -2b
3a + 3b - 2a - 2b
combine like terms
3a - 2a + 3b - 2b
a + b
You’d distribute the 3 to both a and b, which = 3a + 3b - 2a -2b, which would then = a + b. So a + b is the answer