Question

a-b_ 2c from 4a+2b-2c​

Answer 1

Answer:

3(a+b)

Step-by-step explanation:

(4a+2b-2c) - (a-b-2c)

=4a + 2b - 2c - a + b + 2c

=(4-1)a + (2+1)b + (2-2)c

= 3a + 3b

= 3 ( a + b )