What is the first step in solving the following equation. X- 7 = 15* add 15 to both sides of the equation
add 7 to both sides of the equation
subtract 7 from both sides of the equation
subtract x from both sides of the equation

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Find the solutions for a triangle with a =16, c =12, and b = 63º