Answer:
x=2
Step-by-step explanation:
-3 = -2x +1
+3 +2x = +2x +3
2x=4
divide them both by 2
x=2
2x • 2x •2x= 8x^3
so 8x^3 is the volume of the cube
X = 36/5
Or x = 7.2
21 + x = 6x - 15
21 = 6x - 15 - x
21 = 5x - 15
21 + 15 = 5x
36 = 5x
36/5 = x
Answer:
it would take 45 mintues
Step-by-step explanation:
3,800 - 2000 = 1,800 and 1,800 / 40 = 45.
