Question

Срочно даю 10 балов срочно

Answer 1

a)2x=9-x
2x+x=9
3x=9
x=3
б) -5x-8=22+x
-5x-x=8+22
-6x=30
x=-5

Answer 2

$\displaystyle 1)2x=9-x\\2x+x=9\\3x=9\\x=3\\\\2)-5x-8=22+x\\-5x-x=22+8\\-6x=30\\x=-5$