3(x+2)-3+x+17=40
3x+6-3+x+17=40
4x+20=40
-20 -20
4x=20
/4 /4
x=5
Answer
A. 18 Minutes
Step-by-step explanation:
5 liters of water per minute x 12 minutes = 60
60 + 90 = 150
150/5=30
30-12=18
Its either 18 or 30
5. 4 rows of circles with 4 columns of circles
6. A Hexagon with 4 circles
Answer:
Alway set your equations up with x first.
4x + 8 = x
-- x + 2 = x
4. x + 2 - 2 = x. is -2
You will always come up with the opposite of the last number in. × + 2
---- = x -2 so x is -2
-2
Step-by-step explanation:
The reason you do this, is what you do to 1 side you must do to the other side. This leaves you with
× = x-2, so x is -2
Use a calculator and divide the two fractions. 1/6 is 0.16 repeating, 3/8 is 0.375. Adding these two will equal to 0.54166666666.