0.125 I hope this helps you ^^
Step-by-step explanation:
3(3u-5)=39
9u - 15 = 39
9u = 15 + 39
9u = 54
divide both by 9
u = 54/9
u = 6
Answer: E
7 > 2x - 5 > -7
⇔ 12 > 2x > - 2
⇔ 6 > x > -1
Step-by-step explanation:
Answer:
x =20
Step-by-step explanation:
Factorize 81
81 = 9 * 9 = 3 * 3 * 3 * 3
Therefore x = 20