Answer:
7
Step-by-step explanation:
5x-x=28 The dad is 5 times as old and the difference in their ages is 28years.
4x=28 Simplify and divide.
x=7
Answer:
The value of x is .
Step-by-step explanation:
Given expression is:
We have to solve this for x.
First we will multiply both sides of the equation by 3
2(x-2) = 12x
2x-4=12x
Now we will be subtracting 2x from both sides of the equation
2x-2x-4=12x-2x
-4=10x
10x=-4
Dividing both sides by 10
Hence,
The value of x is .
Answer:
i dkn
Step-by-step explanation:
so hi 8X equals 56x equals blank check does 8 equal 56 this is correct
Answer:
A. f(x)=3(x+6)^2-75
vertex form is (-6,-75)
Step-by-step explanation:
Khan Academy Quiz #5
15 toothpicks. A triangle would need 3 toothpicks. So, if you multiply 3x5, it would =15!