How do you simplify this expression?

5(x+10)+x

6x+50 is the answer?

yes, correct

one more,

-4n + 7 + 2n = 1

n= 3?

Correct

To simplify the expression 5(x+10)+x, you need to apply the distributive property and combine like terms.

Step 1: Distribute the 5 to the terms inside the parentheses:
5(x+10) + x = 5x + 50 + x

Step 2: Combine like terms by adding the two x terms together:
5x + 50 + x = 6x + 50

So the simplified expression is 6x + 50.

The answer you provided, 6x + 50, is correct.