Jack had 3 bags of golf balls with b balls in each bag; then his friend his friend gave him 6 more golf balls

3b+6

this is the algebraic expression that represents the worded scenario.

3 bags of golf balls.

b balls in each bag

+6 more balls

3 bags x the number of balls in each bag

So, 3b.

Then you add 6 more balls.

3b+6

This is the algebraic expression for this question.

3b+6