Question

algebra:
1) x+2=7
2) 12-a=7​

Answer 1

hope this will help you

Answer 2

Step-by-step explanation:

$1.) \\ x+2=7 \\ x = 7 - 2 \\ x = 5 \\ \\ </p><p>$

$2.) \\ 12 - a = 7 \\ a = 12 - 7 \\ a = 5$