Answer:
- 85
Step-by-step explanation:
Given,
a = 1
b = - 5
To find : -
4b - 5( 6 + 7a ) = ?
4 ( - 5 ) - 5( 6 + 7 ( 1 ) )
= - 20 - 5( 6 + 7 )
= - 20 - 5 ( 13 )
= - 20 - 65
= - 85
