Try simplifying the equation first. Don't fully understand the question but I hope this helps.
2x cubed
2x * 2x * 2x = 8x
8x+4x= 12x
12x=3
Answer:
Step-by-step explanation: see attachment below
Answer:
2n+22
Step-by-step explanation:
22 more than twice a number
n represents the number.
twice a number --> 2n
22 more than --> +22
2n+22
Answer:
70%
Step-by-step explanation:
69 - 20.70 = 48.3
48.3 / 69 = 0.7
0.7 x 100 = 70
<span>2(x - 1) = 3x + 4
2x - 2 = 3x + 4
x = -6</span>