Answer:
8n - 3.9
Step-by-step explanation:
Given
- (- 8n + 3.9 ) ← multiply each term in the parenthesis by - 1
= 8n - 3.9
<span>So we have a problem with two unknows and one equation. We have to express one over the other like this: 7a - 2b = 5a + b. First we separate one kind on the left side and the other kind on the right side: 7a - 5a = b + 2b. Then: 2a = 3b. Now we divide both sides by 2 and get: a= 3b/2.</span>
Answer: 36
Step-by-step explanation:
8-2+30
6+30
36
Answer:
nsjjdjdjdjdnnd
Step-by-step explanation:
syushdhs
sjdjdjd
Answer: I wish I can help you, But I can't
Step-by-step explanation: lll