Answer:
x=(-45)
Step-by-step explanation:
2+8+9+x+7+12=7
38+x=7
38+(-45)=7
3x - 300
Expand the brackets or use distribute law.
7(6^2)-10
=7×36-10
=252-10
242
maby 34
425 dollars is 500 with a 15% discount
