Question

Simplify the expression 3 (

2+ b)+7 (

2 − b ) + 4b and find its value

when = −1 and b = − 3 .​

Answer 1

Answer:

20

Step-by-step explanation:

3 ( 2+ b)+7 ( 2 − b ) + 4b=6+3b+14-7b+4b=20

at b=-1 and b=-3 value of expression = 20

Answer 2

Question

Simplify the expression 3 (2+ b)+7 (2 − b ) + 4b

and find its value

when  b = − 3 .

Answer:

3( 2 + -3 ) + 7 ( 2 - -3 ) + 4 of -3

3(-1) + 7 (5) + -12

-3 + 35 -12

33 - 12

21 (ans)