Question

Add:7abc,5abc,9abc,-8abc​

Answer 1

Answer:

13abc

Step-by-step explanation:

Step 1: 7abc + 5abc + 9abc + (-8abc)

Step 2: 12abc + 9abc + (-8abc)

Step 3: 21abc + (-8abc) = 21abc - 8abc

Step 4: 13abc

Hope this helps!