Question

Can someone help me solve this, please?

Substitute for a = -1 and b = -1 to (12a-b) - (5a+3b) and simplify.​

Answer 1

Answer:

The answer is -3.

Step-by-step explanation:

a = -1 and b = -1

( 12a - b ) - ( 5a + 3b )

[ 12( - 1 ) - ( - 1 ) ] - [ 5 ( - 1 ) - 3 ( - 1 ) ]

( - 12 + 1 ) - ( - 5 - 3 )

- 11 - ( - 8 )

===>> - 11 + 8 ===>> - 3