Answer:
790
Step-by-step explanation:
just multiply all of the values
X=5
3x-8=7
3x=15 (add 8 to both sides)
X=5 (divide by 3)
1400
67 rounds to 70 because 7 is bigger than 5 so it rounds up. 23 rounds down since 3 is smaller than 5.
So, 70x20=1400
