Question

evaluate 4b -(6+7a) if a = 1 and b = -5

Answer 1

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