Answer:
???
Step-by-step explanation:
Answer:
s = 4
Step-by-step explanation:
3r = 10 + 5s
3×10 = 10 + 5s
5s = 30 - 10
5s = 20
s = 20 : 5
s = 4
BIDMAS or BODMAS
(brackets, indices/orders, division, multiplication, addition, subtraction)
Answer: 4
Step-by-step explanation: