Answer: 5x-5 or 5(x-1)
Step-by-step explanation:
1. take away parentheses, add because asking for "sum"
=x-4+4x-1
2. add
=5x-5
3. if u need to factor it:
5(x-1)
add the sides together
You bought 2 ceramic and 3 clay
2 * 7 = 14 3 * 2 = 6 14 + 6 = 20