Answer:
5 (3z+b) +4 (b-2z)
5(3) (z+b) +4(2) (b-z)
5x3= 15 / 4x2= 8 -- Input (below)
Answer= 15 (z+b) +8 (b-z)
Explanation:
7z+9b
distrbuite the 5:
15z+5b + 4(b-2z)
then distrubite the 4:
15z + 5b + 4b - 8z
collect like terms:
7z+ 9b
3.4m questions
4.3m answers