X - 3 = 7
add 3 to both sides
x - 3 + 3 = 7 + 3
x = 10
addition property of equality
Answer:
B C E
Step-by-step explanation:
trust me... its too hard to explain
I’m ok lots of school work
C., because 60 is half of 120, and 12% is half of 24%
hope it is right