7x-2+=6x+2
Move 6x to the other side. Sign changes from +6x to -6x.
7x-6x-2=6x-6x+2
7x-6x-2=2
x-2=2
Move -2 to the other side. Sign changes from -2 to +2.
x-2+2=2+2
x=4
Answer: x=4
Answer:
Option d) is correct
That is x equals plus or minus start fraction 11 over two end fraction
Step-by-step explanation:
Given quadratic equation is
To write the given quadratic equation by using a difference-of-squares factoring method:
The above equation can be written as
The above equation is in the form of difference-of-squares
Therefore the given quadratic equation can be written in the form of difference-of-squares
by factoring method is
(which is in the form )
2x+11=0 or 2x-11=0
or
or
Therefore option d) is correct
That is x equals plus or minus start fraction 11 over two end fraction
You can do a proportion: 75/15 = x/100
you then do 100x75 and the divide by 15 and get 500.
15% of $500 is $75 so the sale price would be $425 I believe.
The only ratio there equal to 6:3 is 54:27
Both 54 and 27 are divisible by 9.
54/9 = 6
27/9= 3
Therefore, 54:27=6:3
You didnt write down the answers