You can
put this solution on YOUR website!x-7+2=12
x-5=12 [combine like-terms if possible]
x-5+5=12+5 [isolate the unknown variable (x)]
x=17
.
Check by plugging (x=17) back into the original equation and solving:
x-7+2=12
17-7+2=12
10+2=12
12=12 [checks out]
