Multiply everything in the parenthesis by -4.
-12 + 8x + 2x = 2x - 8
Combine like terms.
-12 + 10x = 2x - 8
Subtract 10x from both sides.
-12 = -8x - 8
Add 8 to both sides.
-4 = -8x
Divide both sides by -8.
x = 0.5
Hope this helps!
The answer is 80%, divide the two 240 by 100 you should be left with 2.4 then do 300÷100 and it's three then you divide 2.4 by 3 and then I'll give you a .8 which is 80%
Answer:
20 km?
Step-by-step explanation:
Answer:
D. 
Step-by-step explanation:
This fits the problem as long as there were 10 rows. The 10 signifies the number of rows while the 
is the number of bricks per row. This would be a total of 360 bricks.
