Question

3ab + 9a - 1b - 13
Find the value of a, b​

Answer 1

Answer:

vvvbjojffgjncbjh

Step-by-step explanation:

vvjkkooggcfg

Answer 2

$= (3ab + 9a - 1b - 3)$

$= 3a(b + 9) - 1b - 3$

$= b + 9 - 1b - 3$

$= b - 1b + 9 - 3$

$= - b + 6$

$- b + 6 = 0$

$- b = - 6$

$b = 6$

$b + 9 = a$

$6 + 9 = a$

$15 = a$

$a = 15 \: \: and \: \: \: \: b \: = 6$