Omg sorry i don’t really know i hope someone answers your question
Answer:

Step-by-step explanation:
We can add 9 to both sides of the equation to get
.
We can divide both sides of the equation by 21 to get
.
We take the square root of both sides of the equation to get
.
However, that isn't in the form we need.
We know that 
so the answer is really
and we're done!
Answer:
The number is -1
Step-by-step explanation:
Answer:
22x + 100 = 25x + 70, 10 yards
Step-by-step explanation:
Set the number of square yards of carpeting as x.
So, the cost of Country Carpets is: 22 * x + 100
And the cost of City Carpets is: 25 * x + 70.
In order for the costs to be the , the equations need to be equal.
22x + 100 = 25x + 70
Subtract 22x from both sides.
100 = 3x + 70
Subtract 70 from both sides.
3x = 30
x = 10
10 square yards
Answer:
B.) m=14
Step-by-step explanation:
you would have to make the equation 15+2x=43. After doing so you would have to subtract both sides do the equation to end up with 2x=28. The last step is to divide both sides of the equation by 2 to get x=14.