What is the center of the circle described by the equation: x2 − 6x + y2 + 2y + 1= 0

What is the value of x when x + 7 = 21?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality