Problem
(H) $a b+3 a=a(b+$
Solution
Step 1 ：\(a b+3 a=a(b+H)\)
Step 2 ：Factor out 'a': \(a(b+3)=a(b+H)\)
Step 3 ：Divide both sides by 'a': \(b+3=b+H\)
Step 4 ：Subtract 'b' from both sides: \(3=H\)
Step 5 ：\(\boxed{H=3}\)
Step 1 ：\(a b+3 a=a(b+H)\)
Step 2 ：Factor out 'a': \(a(b+3)=a(b+H)\)
Step 3 ：Divide both sides by 'a': \(b+3=b+H\)
Step 4 ：Subtract 'b' from both sides: \(3=H\)
Step 5 ：\(\boxed{H=3}\)
