-3x from both sides so it looks like 2x=20 and divide by 2 and x=10
Answer is no solution I believe
Answer:
70
Step-by-step explanation:
First add the tens: 20 + 30 + 10= 60
Now add the Ones: 7 + 2 + 4= 13
now add them all together: 60+13=73
so the best estimate is 70
Your Welcome
I think it is -2, if that helps
