Question 652521
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There is not enough information to solve that.  

Are they supplementary?

If so, m&#8736;P + m&#8736;Q = 180°
      (2x + 3) + (3x – 8) = 180
          3x + 3 + 3x - 8 = 180
                   6x - 5 = 180
                       6x = 185
                        x = {{{185/6}}}°

and m&#8736;P = 2x + 3 = 2{{{185/6}}} + 3 = {{{185/3}}} + 3 = {{{185/3}}} + {{{9/3}}} = {{{194/6}}} = 64 2/3°   


Are they complementary?

If so, m&#8736;P + m&#8736;Q = 90°
      (2x + 3) + (3x – 8) = 90
          3x + 3 + 3x - 8 = 90
                   6x - 5 = 90
                       6x = 95
                        x = {{{95/6}}}° 

and m&#8736;P = 2x + 3 = 2{{{95/6}}} + 3 = {{{95/3}}} + 3 = {{{95/3}}} + {{{9/3}}} = {{{104/6}}} = 34 2/3°  

Edwin</pre>