Question

Find asb value
a-4b = 11
-at b =-5​

Answer 1

Explanation:

$\large \boxed{ \bold{b = - 5}} \\ \\ a - 4b = 11 \\ a - 4( - 5) = 11 \\ a + 20 = 11 \\ a = 20 - 11 \\ \large \boxed{ \bold{a = 9}}$