Solve the equation using any technique x2=3x-1

x2=3x-1 =>           1.We change the normal numbers and unknowns from side.

1=3x-2x=>            2. When we do that we do any necessary operation.

1=1x=>                  3. When we finished we leave alone the x and solve.

1/1=x=>                  

x=1.                

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°