Question

How would I simply this expression? (1-7n) - (7-8n)

Answer 1

Answer:

Step 1 - Open the bracket

1-7n-7+8n

Step-2 Take the common at one side

( 8n-7n ) + ( 1-7 )

Step-3 Simplify it

n-6

Hence , Ans = ( n-6 )