Question

Simplify: 8x + 4 - 5

Answer 1

To simplify that expression you'll join like terms.

8x + 4 - 5
8x - 1

Answer 2

 8x + 4 -5

Calculate the sum or difference. 

Keep the sign of the number with the larger absolute value and subtract the smaller absolute value from the larger.

- ( 5 - 4 )

Subtract the numbers. 

-1

8x - 1