Distribute negative sign: We have the expression (8k+8)−(k+8).First, distribute the negative sign inside the parentheses to both terms.(8k+8)−(k+8)= 8k+8−k−8
Combine like terms: Combine like terms by subtracting k from 8k and 8 from 8.8k−k+8−8=7k+0=7k