It should be :
1/3(x + 18) = 7
1/3x + 6 = 7
1/3x + 6 - 6 = 7 - 6
1/3x = 1
x = 3
The answer you are looking for is c)7
Answer:
Answer: 14
Step-by-step explanation:

Answer:
x=10
Step-by-step explanation:
<AOC =90°
and <AOB + <BOC = <AOC
3x+46+14=90°
3x+60=90°
3x = 90°-60°
3x=30°
X=30÷3
X= 10°
Answer:
FG = 28
Step-by-step explanation:
You are given the ratio 1:2. That means that the photocopied monorail is twice as big as the original. All you need to do is multiply 14 by 2 to get your answer.