-18+4x
2(2x-9)
4x=18
-4x=-18
x=18/4
-x=-18/4
Answer:
It's totally correct with no doubt
Answer:
It would be 8000g.
Step-by-step explanation:
This is as the 'kilo' in 'kilograms' means thousand, so you times by 1000 to get kilograms into grams and divide by 1000 to get grams into kilograms, i hope this helps
Answer:
Her son is 10 years old.
Step-by-step explanation:
Let son be x
Ellie is 4x
In 5 years time: Her son = x + 5
Ellie = 4x + 5
Given that she will then be 3 times as old as her son: 4x + 5 = 3(x + 5)
Solve x: 4x + 5 = 3(x + 5) ,4x + 5 = 3x + 15
x = 10
